Home / 5,475,862.20-8,214,959.70-1,689,727.80

Finding the Fourth Proportional to 5,475,862.20, 8,214,959.70 and 1,689,727.80

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Solution

The fourth proportional to 5,475,862.20, 8,214,959.70 and 1,689,727.80 is: 2,534,951.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,862.20 : 8,214,959.70 = 1,689,727.80 : x
  2. Step 2: Convert to fraction form
    5,475,862.20/8,214,959.70 = 1,689,727.80/x
  3. Step 3: Cross multiply
    5,475,862.20x = 8,214,959.70 × 1,689,727.80
  4. Step 4: Simplify right side
    5,475,862.20x = 13,881,045,780,969.66
  5. Step 5: Solve for x
    x = 13,881,045,780,969.66/5,475,862.20
  6. Step 6: Final answer
    x = 2,534,951.62

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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.