Home / 1,687,246.60-2,530,869.90-1,557,338.80

Finding the Fourth Proportional to 1,687,246.60, 2,530,869.90 and 1,557,338.80

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Solution

The fourth proportional to 1,687,246.60, 2,530,869.90 and 1,557,338.80 is: 2,336,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,246.60 : 2,530,869.90 = 1,557,338.80 : x
  2. Step 2: Convert to fraction form
    1,687,246.60/2,530,869.90 = 1,557,338.80/x
  3. Step 3: Cross multiply
    1,687,246.60x = 2,530,869.90 × 1,557,338.80
  4. Step 4: Simplify right side
    1,687,246.60x = 3,941,421,893,022.12
  5. Step 5: Solve for x
    x = 3,941,421,893,022.12/1,687,246.60
  6. Step 6: Final answer
    x = 2,336,008.20

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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.