Home / 4,128,270.70-6,192,406.05-3,120,501.10

Finding the Fourth Proportional to 4,128,270.70, 6,192,406.05 and 3,120,501.10

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Solution

The fourth proportional to 4,128,270.70, 6,192,406.05 and 3,120,501.10 is: 4,680,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128,270.70 : 6,192,406.05 = 3,120,501.10 : x
  2. Step 2: Convert to fraction form
    4,128,270.70/6,192,406.05 = 3,120,501.10/x
  3. Step 3: Cross multiply
    4,128,270.70x = 6,192,406.05 × 3,120,501.10
  4. Step 4: Simplify right side
    4,128,270.70x = 19,323,409,890,671.66
  5. Step 5: Solve for x
    x = 19,323,409,890,671.66/4,128,270.70
  6. Step 6: Final answer
    x = 4,680,751.65

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Double scale
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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.