Home / 3,445,110.20-5,169,633.60-1,316,721.80

Finding the Fourth Proportional to 3,445,110.20, 5,169,633.60 and 1,316,721.80

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Solution

The fourth proportional to 3,445,110.20, 5,169,633.60 and 1,316,721.80 is: 1,975,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,110.20 : 5,169,633.60 = 1,316,721.80 : x
  2. Step 2: Convert to fraction form
    3,445,110.20/5,169,633.60 = 1,316,721.80/x
  3. Step 3: Cross multiply
    3,445,110.20x = 5,169,633.60 × 1,316,721.80
  4. Step 4: Simplify right side
    3,445,110.20x = 6,806,969,259,132.48
  5. Step 5: Solve for x
    x = 6,806,969,259,132.48/3,445,110.20
  6. Step 6: Final answer
    x = 1,975,834.98

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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.