Home / 3,572,220.64-4,929,644.88-1,940,615.20

Finding the Fourth Proportional to 3,572,220.64, 4,929,644.88 and 1,940,615.20

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Solution

The fourth proportional to 3,572,220.64, 4,929,644.88 and 1,940,615.20 is: 2,678,038.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,220.64 : 4,929,644.88 = 1,940,615.20 : x
  2. Step 2: Convert to fraction form
    3,572,220.64/4,929,644.88 = 1,940,615.20/x
  3. Step 3: Cross multiply
    3,572,220.64x = 4,929,644.88 × 1,940,615.20
  4. Step 4: Simplify right side
    3,572,220.64x = 9,566,543,784,730.18
  5. Step 5: Solve for x
    x = 9,566,543,784,730.18/3,572,220.64
  6. Step 6: Final answer
    x = 2,678,038.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.