Home / 3,178,689.40-4,768,034.10-1,049,102.20

Finding the Fourth Proportional to 3,178,689.40, 4,768,034.10 and 1,049,102.20

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Solution

The fourth proportional to 3,178,689.40, 4,768,034.10 and 1,049,102.20 is: 1,573,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,689.40 : 4,768,034.10 = 1,049,102.20 : x
  2. Step 2: Convert to fraction form
    3,178,689.40/4,768,034.10 = 1,049,102.20/x
  3. Step 3: Cross multiply
    3,178,689.40x = 4,768,034.10 × 1,049,102.20
  4. Step 4: Simplify right side
    3,178,689.40x = 5,002,155,063,985.02
  5. Step 5: Solve for x
    x = 5,002,155,063,985.02/3,178,689.40
  6. Step 6: Final answer
    x = 1,573,653.30

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Similar ratio
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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.