Home / 2,931,711.52-4,045,873.14-1,642,507.84

Finding the Fourth Proportional to 2,931,711.52, 4,045,873.14 and 1,642,507.84

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Solution

The fourth proportional to 2,931,711.52, 4,045,873.14 and 1,642,507.84 is: 2,266,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,711.52 : 4,045,873.14 = 1,642,507.84 : x
  2. Step 2: Convert to fraction form
    2,931,711.52/4,045,873.14 = 1,642,507.84/x
  3. Step 3: Cross multiply
    2,931,711.52x = 4,045,873.14 × 1,642,507.84
  4. Step 4: Simplify right side
    2,931,711.52x = 6,645,378,352,095.42
  5. Step 5: Solve for x
    x = 6,645,378,352,095.42/2,931,711.52
  6. Step 6: Final answer
    x = 2,266,723.14

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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.