Home / 1,920,473.28-2,649,081.92-1,231,913.34

Finding the Fourth Proportional to 1,920,473.28, 2,649,081.92 and 1,231,913.34

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Solution

The fourth proportional to 1,920,473.28, 2,649,081.92 and 1,231,913.34 is: 1,699,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,473.28 : 2,649,081.92 = 1,231,913.34 : x
  2. Step 2: Convert to fraction form
    1,920,473.28/2,649,081.92 = 1,231,913.34/x
  3. Step 3: Cross multiply
    1,920,473.28x = 2,649,081.92 × 1,231,913.34
  4. Step 4: Simplify right side
    1,920,473.28x = 3,263,439,349,841.25
  5. Step 5: Solve for x
    x = 3,263,439,349,841.25/1,920,473.28
  6. Step 6: Final answer
    x = 1,699,289.12

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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.