Home / 1,747,385.50-2,621,514.95-1,388,908.87

Finding the Fourth Proportional to 1,747,385.50, 2,621,514.95 and 1,388,908.87

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Solution

The fourth proportional to 1,747,385.50, 2,621,514.95 and 1,388,908.87 is: 2,083,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,385.50 : 2,621,514.95 = 1,388,908.87 : x
  2. Step 2: Convert to fraction form
    1,747,385.50/2,621,514.95 = 1,388,908.87/x
  3. Step 3: Cross multiply
    1,747,385.50x = 2,621,514.95 × 1,388,908.87
  4. Step 4: Simplify right side
    1,747,385.50x = 3,641,045,366,892.61
  5. Step 5: Solve for x
    x = 3,641,045,366,892.61/1,747,385.50
  6. Step 6: Final answer
    x = 2,083,710.42

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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.