Home / 2,238,011.87-3,357,672.88-721,664.30

Finding the Fourth Proportional to 2,238,011.87, 3,357,672.88 and 721,664.30

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Solution

The fourth proportional to 2,238,011.87, 3,357,672.88 and 721,664.30 is: 1,082,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,011.87 : 3,357,672.88 = 721,664.30 : x
  2. Step 2: Convert to fraction form
    2,238,011.87/3,357,672.88 = 721,664.30/x
  3. Step 3: Cross multiply
    2,238,011.87x = 3,357,672.88 × 721,664.30
  4. Step 4: Simplify right side
    2,238,011.87x = 2,423,112,662,361.92
  5. Step 5: Solve for x
    x = 2,423,112,662,361.92/2,238,011.87
  6. Step 6: Final answer
    x = 1,082,707.69

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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.