Home / 5,424,009.12-7,485,063.12-2,976,642.72

Finding the Fourth Proportional to 5,424,009.12, 7,485,063.12 and 2,976,642.72

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Solution

The fourth proportional to 5,424,009.12, 7,485,063.12 and 2,976,642.72 is: 4,107,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424,009.12 : 7,485,063.12 = 2,976,642.72 : x
  2. Step 2: Convert to fraction form
    5,424,009.12/7,485,063.12 = 2,976,642.72/x
  3. Step 3: Cross multiply
    5,424,009.12x = 7,485,063.12 × 2,976,642.72
  4. Step 4: Simplify right side
    5,424,009.12x = 22,280,358,644,888.49
  5. Step 5: Solve for x
    x = 22,280,358,644,888.49/5,424,009.12
  6. Step 6: Final answer
    x = 4,107,728.83

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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.