Home / 5,429,308.30-7,492,441.02-2,981,985.59

Finding the Fourth Proportional to 5,429,308.30, 7,492,441.02 and 2,981,985.59

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Solution

The fourth proportional to 5,429,308.30, 7,492,441.02 and 2,981,985.59 is: 4,115,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,308.30 : 7,492,441.02 = 2,981,985.59 : x
  2. Step 2: Convert to fraction form
    5,429,308.30/7,492,441.02 = 2,981,985.59/x
  3. Step 3: Cross multiply
    5,429,308.30x = 7,492,441.02 × 2,981,985.59
  4. Step 4: Simplify right side
    5,429,308.30x = 22,342,351,137,742.25
  5. Step 5: Solve for x
    x = 22,342,351,137,742.25/5,429,308.30
  6. Step 6: Final answer
    x = 4,115,137.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.