Home / 5,178,041.74-7,146,227.73-3,113,727.58

Finding the Fourth Proportional to 5,178,041.74, 7,146,227.73 and 3,113,727.58

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Solution

The fourth proportional to 5,178,041.74, 7,146,227.73 and 3,113,727.58 is: 4,297,262.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,041.74 : 7,146,227.73 = 3,113,727.58 : x
  2. Step 2: Convert to fraction form
    5,178,041.74/7,146,227.73 = 3,113,727.58/x
  3. Step 3: Cross multiply
    5,178,041.74x = 7,146,227.73 × 3,113,727.58
  4. Step 4: Simplify right side
    5,178,041.74x = 22,251,406,375,861.80
  5. Step 5: Solve for x
    x = 22,251,406,375,861.80/5,178,041.74
  6. Step 6: Final answer
    x = 4,297,262.84

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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.