Home / 1,927,022.40-2,887,423.20-1,609,761.60

Finding the Fourth Proportional to 1,927,022.40, 2,887,423.20 and 1,609,761.60

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Solution

The fourth proportional to 1,927,022.40, 2,887,423.20 and 1,609,761.60 is: 2,412,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,022.40 : 2,887,423.20 = 1,609,761.60 : x
  2. Step 2: Convert to fraction form
    1,927,022.40/2,887,423.20 = 1,609,761.60/x
  3. Step 3: Cross multiply
    1,927,022.40x = 2,887,423.20 × 1,609,761.60
  4. Step 4: Simplify right side
    1,927,022.40x = 4,648,062,990,309.12
  5. Step 5: Solve for x
    x = 4,648,062,990,309.12/1,927,022.40
  6. Step 6: Final answer
    x = 2,412,044.09

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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.