Home / 1,927,147.20-2,890,722.90-579,309.68

Finding the Fourth Proportional to 1,927,147.20, 2,890,722.90 and 579,309.68

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Solution

The fourth proportional to 1,927,147.20, 2,890,722.90 and 579,309.68 is: 868,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,147.20 : 2,890,722.90 = 579,309.68 : x
  2. Step 2: Convert to fraction form
    1,927,147.20/2,890,722.90 = 579,309.68/x
  3. Step 3: Cross multiply
    1,927,147.20x = 2,890,722.90 × 579,309.68
  4. Step 4: Simplify right side
    1,927,147.20x = 1,674,623,758,167.67
  5. Step 5: Solve for x
    x = 1,674,623,758,167.67/1,927,147.20
  6. Step 6: Final answer
    x = 868,965.15

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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.