Home / 5,412,290.85-7,468,901.91-2,931,449.81

Finding the Fourth Proportional to 5,412,290.85, 7,468,901.91 and 2,931,449.81

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Solution

The fourth proportional to 5,412,290.85, 7,468,901.91 and 2,931,449.81 is: 4,045,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,290.85 : 7,468,901.91 = 2,931,449.81 : x
  2. Step 2: Convert to fraction form
    5,412,290.85/7,468,901.91 = 2,931,449.81/x
  3. Step 3: Cross multiply
    5,412,290.85x = 7,468,901.91 × 2,931,449.81
  4. Step 4: Simplify right side
    5,412,290.85x = 21,894,711,047,633.63
  5. Step 5: Solve for x
    x = 21,894,711,047,633.63/5,412,290.85
  6. Step 6: Final answer
    x = 4,045,368.52

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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.