Home / 1,908,710.52-2,862,991.05-646,538.14

Finding the Fourth Proportional to 1,908,710.52, 2,862,991.05 and 646,538.14

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Solution

The fourth proportional to 1,908,710.52, 2,862,991.05 and 646,538.14 is: 969,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,710.52 : 2,862,991.05 = 646,538.14 : x
  2. Step 2: Convert to fraction form
    1,908,710.52/2,862,991.05 = 646,538.14/x
  3. Step 3: Cross multiply
    1,908,710.52x = 2,862,991.05 × 646,538.14
  4. Step 4: Simplify right side
    1,908,710.52x = 1,851,032,908,303.65
  5. Step 5: Solve for x
    x = 1,851,032,908,303.65/1,908,710.52
  6. Step 6: Final answer
    x = 969,781.90

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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.