Home / 5,645,709.80-8,468,730.68-1,385,877.90

Finding the Fourth Proportional to 5,645,709.80, 8,468,730.68 and 1,385,877.90

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Solution

The fourth proportional to 5,645,709.80, 8,468,730.68 and 1,385,877.90 is: 2,078,857.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645,709.80 : 8,468,730.68 = 1,385,877.90 : x
  2. Step 2: Convert to fraction form
    5,645,709.80/8,468,730.68 = 1,385,877.90/x
  3. Step 3: Cross multiply
    5,645,709.80x = 8,468,730.68 × 1,385,877.90
  4. Step 4: Simplify right side
    5,645,709.80x = 11,736,626,683,534.58
  5. Step 5: Solve for x
    x = 11,736,626,683,534.58/5,645,709.80
  6. Step 6: Final answer
    x = 2,078,857.59

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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.