Home / 1,874,780.32-2,587,200.11-1,015,340.57

Finding the Fourth Proportional to 1,874,780.32, 2,587,200.11 and 1,015,340.57

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Solution

The fourth proportional to 1,874,780.32, 2,587,200.11 and 1,015,340.57 is: 1,401,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,780.32 : 2,587,200.11 = 1,015,340.57 : x
  2. Step 2: Convert to fraction form
    1,874,780.32/2,587,200.11 = 1,015,340.57/x
  3. Step 3: Cross multiply
    1,874,780.32x = 2,587,200.11 × 1,015,340.57
  4. Step 4: Simplify right side
    1,874,780.32x = 2,626,889,238,661.41
  5. Step 5: Solve for x
    x = 2,626,889,238,661.41/1,874,780.32
  6. Step 6: Final answer
    x = 1,401,171.76

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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.