Home / 2,578,547.50-3,867,392.28-781,003.60

Finding the Fourth Proportional to 2,578,547.50, 3,867,392.28 and 781,003.60

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Solution

The fourth proportional to 2,578,547.50, 3,867,392.28 and 781,003.60 is: 1,171,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,547.50 : 3,867,392.28 = 781,003.60 : x
  2. Step 2: Convert to fraction form
    2,578,547.50/3,867,392.28 = 781,003.60/x
  3. Step 3: Cross multiply
    2,578,547.50x = 3,867,392.28 × 781,003.60
  4. Step 4: Simplify right side
    2,578,547.50x = 3,020,447,293,292.21
  5. Step 5: Solve for x
    x = 3,020,447,293,292.21/2,578,547.50
  6. Step 6: Final answer
    x = 1,171,375.47

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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.