Home / 5,376,286.70-8,064,430.05-2,688,901.10

Finding the Fourth Proportional to 5,376,286.70, 8,064,430.05 and 2,688,901.10

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Solution

The fourth proportional to 5,376,286.70, 8,064,430.05 and 2,688,901.10 is: 4,033,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,286.70 : 8,064,430.05 = 2,688,901.10 : x
  2. Step 2: Convert to fraction form
    5,376,286.70/8,064,430.05 = 2,688,901.10/x
  3. Step 3: Cross multiply
    5,376,286.70x = 8,064,430.05 × 2,688,901.10
  4. Step 4: Simplify right side
    5,376,286.70x = 21,684,454,832,318.05
  5. Step 5: Solve for x
    x = 21,684,454,832,318.05/5,376,286.70
  6. Step 6: Final answer
    x = 4,033,351.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.