Home / 1,891,534-2,609,959.80-1,127,658.64

Finding the Fourth Proportional to 1,891,534, 2,609,959.80 and 1,127,658.64

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Solution

The fourth proportional to 1,891,534, 2,609,959.80 and 1,127,658.64 is: 1,555,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,534 : 2,609,959.80 = 1,127,658.64 : x
  2. Step 2: Convert to fraction form
    1,891,534/2,609,959.80 = 1,127,658.64/x
  3. Step 3: Cross multiply
    1,891,534x = 2,609,959.80 × 1,127,658.64
  4. Step 4: Simplify right side
    1,891,534x = 2,943,143,718,522.67
  5. Step 5: Solve for x
    x = 2,943,143,718,522.67/1,891,534
  6. Step 6: Final answer
    x = 1,555,956.02

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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.