Home / 1,890,302.60-2,608,819.90-1,155,687.92

Finding the Fourth Proportional to 1,890,302.60, 2,608,819.90 and 1,155,687.92

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Solution

The fourth proportional to 1,890,302.60, 2,608,819.90 and 1,155,687.92 is: 1,594,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,302.60 : 2,608,819.90 = 1,155,687.92 : x
  2. Step 2: Convert to fraction form
    1,890,302.60/2,608,819.90 = 1,155,687.92/x
  3. Step 3: Cross multiply
    1,890,302.60x = 2,608,819.90 × 1,155,687.92
  4. Step 4: Simplify right side
    1,890,302.60x = 3,014,981,643,885.61
  5. Step 5: Solve for x
    x = 3,014,981,643,885.61/1,890,302.60
  6. Step 6: Final answer
    x = 1,594,973.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.