Home / 3,114,763.80-4,672,145.70-985,500.60

Finding the Fourth Proportional to 3,114,763.80, 4,672,145.70 and 985,500.60

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Solution

The fourth proportional to 3,114,763.80, 4,672,145.70 and 985,500.60 is: 1,478,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114,763.80 : 4,672,145.70 = 985,500.60 : x
  2. Step 2: Convert to fraction form
    3,114,763.80/4,672,145.70 = 985,500.60/x
  3. Step 3: Cross multiply
    3,114,763.80x = 4,672,145.70 × 985,500.60
  4. Step 4: Simplify right side
    3,114,763.80x = 4,604,402,390,637.42
  5. Step 5: Solve for x
    x = 4,604,402,390,637.42/3,114,763.80
  6. Step 6: Final answer
    x = 1,478,250.90

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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.