Home / 3,280,603.30-4,920,904.95-2,981,421.70

Finding the Fourth Proportional to 3,280,603.30, 4,920,904.95 and 2,981,421.70

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Solution

The fourth proportional to 3,280,603.30, 4,920,904.95 and 2,981,421.70 is: 4,472,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,603.30 : 4,920,904.95 = 2,981,421.70 : x
  2. Step 2: Convert to fraction form
    3,280,603.30/4,920,904.95 = 2,981,421.70/x
  3. Step 3: Cross multiply
    3,280,603.30x = 4,920,904.95 × 2,981,421.70
  4. Step 4: Simplify right side
    3,280,603.30x = 14,671,292,801,567.42
  5. Step 5: Solve for x
    x = 14,671,292,801,567.42/3,280,603.30
  6. Step 6: Final answer
    x = 4,472,132.55

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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.