Home / 5,376,221.20-8,064,331.80-2,688,835.60

Finding the Fourth Proportional to 5,376,221.20, 8,064,331.80 and 2,688,835.60

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Solution

The fourth proportional to 5,376,221.20, 8,064,331.80 and 2,688,835.60 is: 4,033,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,221.20 : 8,064,331.80 = 2,688,835.60 : x
  2. Step 2: Convert to fraction form
    5,376,221.20/8,064,331.80 = 2,688,835.60/x
  3. Step 3: Cross multiply
    5,376,221.20x = 8,064,331.80 × 2,688,835.60
  4. Step 4: Simplify right side
    5,376,221.20x = 21,683,662,434,052.08
  5. Step 5: Solve for x
    x = 21,683,662,434,052.08/5,376,221.20
  6. Step 6: Final answer
    x = 4,033,253.40

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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.