Home / 1,987,788.60-2,981,682.90-1,357,932.60

Finding the Fourth Proportional to 1,987,788.60, 2,981,682.90 and 1,357,932.60

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Solution

The fourth proportional to 1,987,788.60, 2,981,682.90 and 1,357,932.60 is: 2,036,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,788.60 : 2,981,682.90 = 1,357,932.60 : x
  2. Step 2: Convert to fraction form
    1,987,788.60/2,981,682.90 = 1,357,932.60/x
  3. Step 3: Cross multiply
    1,987,788.60x = 2,981,682.90 × 1,357,932.60
  4. Step 4: Simplify right side
    1,987,788.60x = 4,048,924,412,772.54
  5. Step 5: Solve for x
    x = 4,048,924,412,772.54/1,987,788.60
  6. Step 6: Final answer
    x = 2,036,898.90

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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.