Home / 1,908,722.27-2,863,008.68-646,549.89

Finding the Fourth Proportional to 1,908,722.27, 2,863,008.68 and 646,549.89

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Solution

The fourth proportional to 1,908,722.27, 2,863,008.68 and 646,549.89 is: 969,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,722.27 : 2,863,008.68 = 646,549.89 : x
  2. Step 2: Convert to fraction form
    1,908,722.27/2,863,008.68 = 646,549.89/x
  3. Step 3: Cross multiply
    1,908,722.27x = 2,863,008.68 × 646,549.89
  4. Step 4: Simplify right side
    1,908,722.27x = 1,851,077,943,890.30
  5. Step 5: Solve for x
    x = 1,851,077,943,890.30/1,908,722.27
  6. Step 6: Final answer
    x = 969,799.52

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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.