Home / 5,429,043.90-8,144,487.45-1,642,496.70

Finding the Fourth Proportional to 5,429,043.90, 8,144,487.45 and 1,642,496.70

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Solution

The fourth proportional to 5,429,043.90, 8,144,487.45 and 1,642,496.70 is: 2,464,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,043.90 : 8,144,487.45 = 1,642,496.70 : x
  2. Step 2: Convert to fraction form
    5,429,043.90/8,144,487.45 = 1,642,496.70/x
  3. Step 3: Cross multiply
    5,429,043.90x = 8,144,487.45 × 1,642,496.70
  4. Step 4: Simplify right side
    5,429,043.90x = 13,377,293,759,816.41
  5. Step 5: Solve for x
    x = 13,377,293,759,816.41/5,429,043.90
  6. Step 6: Final answer
    x = 2,464,023.87

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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.