Home / 4,328,280.90-6,490,890.45-1,487,732.40

Finding the Fourth Proportional to 4,328,280.90, 6,490,890.45 and 1,487,732.40

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Solution

The fourth proportional to 4,328,280.90, 6,490,890.45 and 1,487,732.40 is: 2,231,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328,280.90 : 6,490,890.45 = 1,487,732.40 : x
  2. Step 2: Convert to fraction form
    4,328,280.90/6,490,890.45 = 1,487,732.40/x
  3. Step 3: Cross multiply
    4,328,280.90x = 6,490,890.45 × 1,487,732.40
  4. Step 4: Simplify right side
    4,328,280.90x = 9,656,708,027,315.58
  5. Step 5: Solve for x
    x = 9,656,708,027,315.58/4,328,280.90
  6. Step 6: Final answer
    x = 2,231,072.39

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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.