Home / 1,707,646.60-2,561,469.90-1,642,328.20

Finding the Fourth Proportional to 1,707,646.60, 2,561,469.90 and 1,642,328.20

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Solution

The fourth proportional to 1,707,646.60, 2,561,469.90 and 1,642,328.20 is: 2,463,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,646.60 : 2,561,469.90 = 1,642,328.20 : x
  2. Step 2: Convert to fraction form
    1,707,646.60/2,561,469.90 = 1,642,328.20/x
  3. Step 3: Cross multiply
    1,707,646.60x = 2,561,469.90 × 1,642,328.20
  4. Step 4: Simplify right side
    1,707,646.60x = 4,206,774,250,221.18
  5. Step 5: Solve for x
    x = 4,206,774,250,221.18/1,707,646.60
  6. Step 6: Final answer
    x = 2,463,492.30

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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.