Home / 1,707,647.60-2,561,471.40-1,642,329.20

Finding the Fourth Proportional to 1,707,647.60, 2,561,471.40 and 1,642,329.20

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Solution

The fourth proportional to 1,707,647.60, 2,561,471.40 and 1,642,329.20 is: 2,463,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,647.60 : 2,561,471.40 = 1,642,329.20 : x
  2. Step 2: Convert to fraction form
    1,707,647.60/2,561,471.40 = 1,642,329.20/x
  3. Step 3: Cross multiply
    1,707,647.60x = 2,561,471.40 × 1,642,329.20
  4. Step 4: Simplify right side
    1,707,647.60x = 4,206,779,275,184.88
  5. Step 5: Solve for x
    x = 4,206,779,275,184.88/1,707,647.60
  6. Step 6: Final answer
    x = 2,463,493.80

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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.