Home / 2,758,331.60-4,137,497.40-763,787.60

Finding the Fourth Proportional to 2,758,331.60, 4,137,497.40 and 763,787.60

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Solution

The fourth proportional to 2,758,331.60, 4,137,497.40 and 763,787.60 is: 1,145,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,331.60 : 4,137,497.40 = 763,787.60 : x
  2. Step 2: Convert to fraction form
    2,758,331.60/4,137,497.40 = 763,787.60/x
  3. Step 3: Cross multiply
    2,758,331.60x = 4,137,497.40 × 763,787.60
  4. Step 4: Simplify right side
    2,758,331.60x = 3,160,169,209,152.24
  5. Step 5: Solve for x
    x = 3,160,169,209,152.24/2,758,331.60
  6. Step 6: Final answer
    x = 1,145,681.40

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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.