Home / 5,429,023.38-8,143,528.22-1,385,511.31

Finding the Fourth Proportional to 5,429,023.38, 8,143,528.22 and 1,385,511.31

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Solution

The fourth proportional to 5,429,023.38, 8,143,528.22 and 1,385,511.31 is: 2,078,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,023.38 : 8,143,528.22 = 1,385,511.31 : x
  2. Step 2: Convert to fraction form
    5,429,023.38/8,143,528.22 = 1,385,511.31/x
  3. Step 3: Cross multiply
    5,429,023.38x = 8,143,528.22 × 1,385,511.31
  4. Step 4: Simplify right side
    5,429,023.38x = 11,282,950,460,561.69
  5. Step 5: Solve for x
    x = 11,282,950,460,561.69/5,429,023.38
  6. Step 6: Final answer
    x = 2,078,265.22

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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.