Home / 3,438,820.40-5,158,230.60-1,738,209.20

Finding the Fourth Proportional to 3,438,820.40, 5,158,230.60 and 1,738,209.20

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Solution

The fourth proportional to 3,438,820.40, 5,158,230.60 and 1,738,209.20 is: 2,607,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,820.40 : 5,158,230.60 = 1,738,209.20 : x
  2. Step 2: Convert to fraction form
    3,438,820.40/5,158,230.60 = 1,738,209.20/x
  3. Step 3: Cross multiply
    3,438,820.40x = 5,158,230.60 × 1,738,209.20
  4. Step 4: Simplify right side
    3,438,820.40x = 8,966,083,884,641.52
  5. Step 5: Solve for x
    x = 8,966,083,884,641.52/3,438,820.40
  6. Step 6: Final answer
    x = 2,607,313.80

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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.