Home / 1,778,398.40-2,453,519.92-1,166,888.72

Finding the Fourth Proportional to 1,778,398.40, 2,453,519.92 and 1,166,888.72

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Solution

The fourth proportional to 1,778,398.40, 2,453,519.92 and 1,166,888.72 is: 1,609,866.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,398.40 : 2,453,519.92 = 1,166,888.72 : x
  2. Step 2: Convert to fraction form
    1,778,398.40/2,453,519.92 = 1,166,888.72/x
  3. Step 3: Cross multiply
    1,778,398.40x = 2,453,519.92 × 1,166,888.72
  4. Step 4: Simplify right side
    1,778,398.40x = 2,862,984,718,943.30
  5. Step 5: Solve for x
    x = 2,862,984,718,943.30/1,778,398.40
  6. Step 6: Final answer
    x = 1,609,866.90

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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.