Home / 4,121,428.86-5,681,002.64-3,248,841.69

Finding the Fourth Proportional to 4,121,428.86, 5,681,002.64 and 3,248,841.69

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Solution

The fourth proportional to 4,121,428.86, 5,681,002.64 and 3,248,841.69 is: 4,478,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121,428.86 : 5,681,002.64 = 3,248,841.69 : x
  2. Step 2: Convert to fraction form
    4,121,428.86/5,681,002.64 = 3,248,841.69/x
  3. Step 3: Cross multiply
    4,121,428.86x = 5,681,002.64 × 3,248,841.69
  4. Step 4: Simplify right side
    4,121,428.86x = 18,456,678,201,587.85
  5. Step 5: Solve for x
    x = 18,456,678,201,587.85/4,121,428.86
  6. Step 6: Final answer
    x = 4,478,223.17

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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.