Home / 2,920,787.60-4,382,830.92-1,572,921.68

Finding the Fourth Proportional to 2,920,787.60, 4,382,830.92 and 1,572,921.68

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Solution

The fourth proportional to 2,920,787.60, 4,382,830.92 and 1,572,921.68 is: 2,360,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,787.60 : 4,382,830.92 = 1,572,921.68 : x
  2. Step 2: Convert to fraction form
    2,920,787.60/4,382,830.92 = 1,572,921.68/x
  3. Step 3: Cross multiply
    2,920,787.60x = 4,382,830.92 × 1,572,921.68
  4. Step 4: Simplify right side
    2,920,787.60x = 6,893,849,773,842.35
  5. Step 5: Solve for x
    x = 6,893,849,773,842.35/2,920,787.60
  6. Step 6: Final answer
    x = 2,360,270.83

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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.