Home / 3,721,830-5,133,675.96-2,687,615.52

Finding the Fourth Proportional to 3,721,830, 5,133,675.96 and 2,687,615.52

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Solution

The fourth proportional to 3,721,830, 5,133,675.96 and 2,687,615.52 is: 3,707,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721,830 : 5,133,675.96 = 2,687,615.52 : x
  2. Step 2: Convert to fraction form
    3,721,830/5,133,675.96 = 2,687,615.52/x
  3. Step 3: Cross multiply
    3,721,830x = 5,133,675.96 × 2,687,615.52
  4. Step 4: Simplify right side
    3,721,830x = 13,797,347,184,746.90
  5. Step 5: Solve for x
    x = 13,797,347,184,746.90/3,721,830
  6. Step 6: Final answer
    x = 3,707,140.62

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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.