Home / 4,518,721.55-6,779,230.49-1,280,255.69

Finding the Fourth Proportional to 4,518,721.55, 6,779,230.49 and 1,280,255.69

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Solution

The fourth proportional to 4,518,721.55, 6,779,230.49 and 1,280,255.69 is: 1,920,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518,721.55 : 6,779,230.49 = 1,280,255.69 : x
  2. Step 2: Convert to fraction form
    4,518,721.55/6,779,230.49 = 1,280,255.69/x
  3. Step 3: Cross multiply
    4,518,721.55x = 6,779,230.49 × 1,280,255.69
  4. Step 4: Simplify right side
    4,518,721.55x = 8,679,148,377,948.48
  5. Step 5: Solve for x
    x = 8,679,148,377,948.48/4,518,721.55
  6. Step 6: Final answer
    x = 1,920,708.83

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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.