Home / 3,808,309.75-5,712,501.56-968,421.92

Finding the Fourth Proportional to 3,808,309.75, 5,712,501.56 and 968,421.92

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Solution

The fourth proportional to 3,808,309.75, 5,712,501.56 and 968,421.92 is: 1,452,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808,309.75 : 5,712,501.56 = 968,421.92 : x
  2. Step 2: Convert to fraction form
    3,808,309.75/5,712,501.56 = 968,421.92/x
  3. Step 3: Cross multiply
    3,808,309.75x = 5,712,501.56 × 968,421.92
  4. Step 4: Simplify right side
    3,808,309.75x = 5,532,111,695,333.58
  5. Step 5: Solve for x
    x = 5,532,111,695,333.58/3,808,309.75
  6. Step 6: Final answer
    x = 1,452,642.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.