Home / 2,119,064.76-2,924,287.38-1,577,621.88

Finding the Fourth Proportional to 2,119,064.76, 2,924,287.38 and 1,577,621.88

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Solution

The fourth proportional to 2,119,064.76, 2,924,287.38 and 1,577,621.88 is: 2,177,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,064.76 : 2,924,287.38 = 1,577,621.88 : x
  2. Step 2: Convert to fraction form
    2,119,064.76/2,924,287.38 = 1,577,621.88/x
  3. Step 3: Cross multiply
    2,119,064.76x = 2,924,287.38 × 1,577,621.88
  4. Step 4: Simplify right side
    2,119,064.76x = 4,613,419,754,095.87
  5. Step 5: Solve for x
    x = 4,613,419,754,095.87/2,119,064.76
  6. Step 6: Final answer
    x = 2,177,101.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.