Home / 1,908,102.30-2,862,425.61-646,290.78

Finding the Fourth Proportional to 1,908,102.30, 2,862,425.61 and 646,290.78

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Solution

The fourth proportional to 1,908,102.30, 2,862,425.61 and 646,290.78 is: 969,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,102.30 : 2,862,425.61 = 646,290.78 : x
  2. Step 2: Convert to fraction form
    1,908,102.30/2,862,425.61 = 646,290.78/x
  3. Step 3: Cross multiply
    1,908,102.30x = 2,862,425.61 × 646,290.78
  4. Step 4: Simplify right side
    1,908,102.30x = 1,849,959,280,178.88
  5. Step 5: Solve for x
    x = 1,849,959,280,178.88/1,908,102.30
  6. Step 6: Final answer
    x = 969,528.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.