Home / 2,578,031.64-3,867,244.28-781,063.95

Finding the Fourth Proportional to 2,578,031.64, 3,867,244.28 and 781,063.95

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Solution

The fourth proportional to 2,578,031.64, 3,867,244.28 and 781,063.95 is: 1,171,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,031.64 : 3,867,244.28 = 781,063.95 : x
  2. Step 2: Convert to fraction form
    2,578,031.64/3,867,244.28 = 781,063.95/x
  3. Step 3: Cross multiply
    2,578,031.64x = 3,867,244.28 × 781,063.95
  4. Step 4: Simplify right side
    2,578,031.64x = 3,020,565,089,046.39
  5. Step 5: Solve for x
    x = 3,020,565,089,046.39/2,578,031.64
  6. Step 6: Final answer
    x = 1,171,655.55

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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.