Home / 1,789,624.59-2,472,172.87-1,723,184.28

Finding the Fourth Proportional to 1,789,624.59, 2,472,172.87 and 1,723,184.28

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Solution

The fourth proportional to 1,789,624.59, 2,472,172.87 and 1,723,184.28 is: 2,380,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,624.59 : 2,472,172.87 = 1,723,184.28 : x
  2. Step 2: Convert to fraction form
    1,789,624.59/2,472,172.87 = 1,723,184.28/x
  3. Step 3: Cross multiply
    1,789,624.59x = 2,472,172.87 × 1,723,184.28
  4. Step 4: Simplify right side
    1,789,624.59x = 4,260,009,418,679.90
  5. Step 5: Solve for x
    x = 4,260,009,418,679.90/1,789,624.59
  6. Step 6: Final answer
    x = 2,380,392.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.