Home / 5,168,851.30-7,753,276.95-1,330,666.30

Finding the Fourth Proportional to 5,168,851.30, 7,753,276.95 and 1,330,666.30

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Solution

The fourth proportional to 5,168,851.30, 7,753,276.95 and 1,330,666.30 is: 1,995,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,851.30 : 7,753,276.95 = 1,330,666.30 : x
  2. Step 2: Convert to fraction form
    5,168,851.30/7,753,276.95 = 1,330,666.30/x
  3. Step 3: Cross multiply
    5,168,851.30x = 7,753,276.95 × 1,330,666.30
  4. Step 4: Simplify right side
    5,168,851.30x = 10,317,024,351,931.79
  5. Step 5: Solve for x
    x = 10,317,024,351,931.79/5,168,851.30
  6. Step 6: Final answer
    x = 1,995,999.45

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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.