Home / 1,840,319.40-2,539,756.78-1,115,230.52

Finding the Fourth Proportional to 1,840,319.40, 2,539,756.78 and 1,115,230.52

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Solution

The fourth proportional to 1,840,319.40, 2,539,756.78 and 1,115,230.52 is: 1,539,088.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,319.40 : 2,539,756.78 = 1,115,230.52 : x
  2. Step 2: Convert to fraction form
    1,840,319.40/2,539,756.78 = 1,115,230.52/x
  3. Step 3: Cross multiply
    1,840,319.40x = 2,539,756.78 × 1,115,230.52
  4. Step 4: Simplify right side
    1,840,319.40x = 2,832,414,274,432.93
  5. Step 5: Solve for x
    x = 2,832,414,274,432.93/1,840,319.40
  6. Step 6: Final answer
    x = 1,539,088.42

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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.