Home / 3,941,248.52-5,438,920.55-2,130,412.52

Finding the Fourth Proportional to 3,941,248.52, 5,438,920.55 and 2,130,412.52

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Solution

The fourth proportional to 3,941,248.52, 5,438,920.55 and 2,130,412.52 is: 2,939,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941,248.52 : 5,438,920.55 = 2,130,412.52 : x
  2. Step 2: Convert to fraction form
    3,941,248.52/5,438,920.55 = 2,130,412.52/x
  3. Step 3: Cross multiply
    3,941,248.52x = 5,438,920.55 × 2,130,412.52
  4. Step 4: Simplify right side
    3,941,248.52x = 11,587,144,397,158.62
  5. Step 5: Solve for x
    x = 11,587,144,397,158.62/3,941,248.52
  6. Step 6: Final answer
    x = 2,939,967.97

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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.