Home / 1,781,888.92-2,461,036.40-1,207,932.64

Finding the Fourth Proportional to 1,781,888.92, 2,461,036.40 and 1,207,932.64

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Solution

The fourth proportional to 1,781,888.92, 2,461,036.40 and 1,207,932.64 is: 1,668,322.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,888.92 : 2,461,036.40 = 1,207,932.64 : x
  2. Step 2: Convert to fraction form
    1,781,888.92/2,461,036.40 = 1,207,932.64/x
  3. Step 3: Cross multiply
    1,781,888.92x = 2,461,036.40 × 1,207,932.64
  4. Step 4: Simplify right side
    1,781,888.92x = 2,972,766,195,788.10
  5. Step 5: Solve for x
    x = 2,972,766,195,788.10/1,781,888.92
  6. Step 6: Final answer
    x = 1,668,322.96

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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.