Home / 3,510,031.80-5,265,047.70-985,769.40

Finding the Fourth Proportional to 3,510,031.80, 5,265,047.70 and 985,769.40

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Solution

The fourth proportional to 3,510,031.80, 5,265,047.70 and 985,769.40 is: 1,478,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,031.80 : 5,265,047.70 = 985,769.40 : x
  2. Step 2: Convert to fraction form
    3,510,031.80/5,265,047.70 = 985,769.40/x
  3. Step 3: Cross multiply
    3,510,031.80x = 5,265,047.70 × 985,769.40
  4. Step 4: Simplify right side
    3,510,031.80x = 5,190,122,912,200.38
  5. Step 5: Solve for x
    x = 5,190,122,912,200.38/3,510,031.80
  6. Step 6: Final answer
    x = 1,478,654.10

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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.