Home / 3,119,190.30-4,678,785.45-1,097,746.20

Finding the Fourth Proportional to 3,119,190.30, 4,678,785.45 and 1,097,746.20

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Solution

The fourth proportional to 3,119,190.30, 4,678,785.45 and 1,097,746.20 is: 1,646,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,190.30 : 4,678,785.45 = 1,097,746.20 : x
  2. Step 2: Convert to fraction form
    3,119,190.30/4,678,785.45 = 1,097,746.20/x
  3. Step 3: Cross multiply
    3,119,190.30x = 4,678,785.45 × 1,097,746.20
  4. Step 4: Simplify right side
    3,119,190.30x = 5,136,118,948,352.79
  5. Step 5: Solve for x
    x = 5,136,118,948,352.79/3,119,190.30
  6. Step 6: Final answer
    x = 1,646,619.30

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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.