Home / 3,358,909.20-5,038,363.80-1,115,047.20

Finding the Fourth Proportional to 3,358,909.20, 5,038,363.80 and 1,115,047.20

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Solution

The fourth proportional to 3,358,909.20, 5,038,363.80 and 1,115,047.20 is: 1,672,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358,909.20 : 5,038,363.80 = 1,115,047.20 : x
  2. Step 2: Convert to fraction form
    3,358,909.20/5,038,363.80 = 1,115,047.20/x
  3. Step 3: Cross multiply
    3,358,909.20x = 5,038,363.80 × 1,115,047.20
  4. Step 4: Simplify right side
    3,358,909.20x = 5,618,013,447,771.36
  5. Step 5: Solve for x
    x = 5,618,013,447,771.36/3,358,909.20
  6. Step 6: Final answer
    x = 1,672,570.80

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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.