Home / 1,707,742.40-2,356,909.80-1,651,662.32

Finding the Fourth Proportional to 1,707,742.40, 2,356,909.80 and 1,651,662.32

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Solution

The fourth proportional to 1,707,742.40, 2,356,909.80 and 1,651,662.32 is: 2,279,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,742.40 : 2,356,909.80 = 1,651,662.32 : x
  2. Step 2: Convert to fraction form
    1,707,742.40/2,356,909.80 = 1,651,662.32/x
  3. Step 3: Cross multiply
    1,707,742.40x = 2,356,909.80 × 1,651,662.32
  4. Step 4: Simplify right side
    1,707,742.40x = 3,892,819,108,298.74
  5. Step 5: Solve for x
    x = 3,892,819,108,298.74/1,707,742.40
  6. Step 6: Final answer
    x = 2,279,511.89

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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.