Home / 2,776,106.60-4,164,229.02-781,549.16

Finding the Fourth Proportional to 2,776,106.60, 4,164,229.02 and 781,549.16

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Solution

The fourth proportional to 2,776,106.60, 4,164,229.02 and 781,549.16 is: 1,172,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,106.60 : 4,164,229.02 = 781,549.16 : x
  2. Step 2: Convert to fraction form
    2,776,106.60/4,164,229.02 = 781,549.16/x
  3. Step 3: Cross multiply
    2,776,106.60x = 4,164,229.02 × 781,549.16
  4. Step 4: Simplify right side
    2,776,106.60x = 3,254,549,692,628.62
  5. Step 5: Solve for x
    x = 3,254,549,692,628.62/2,776,106.60
  6. Step 6: Final answer
    x = 1,172,343.20

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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.