Home / 2,877,990.45-4,314,708.36-1,080,673.71

Finding the Fourth Proportional to 2,877,990.45, 4,314,708.36 and 1,080,673.71

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Solution

The fourth proportional to 2,877,990.45, 4,314,708.36 and 1,080,673.71 is: 1,620,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,990.45 : 4,314,708.36 = 1,080,673.71 : x
  2. Step 2: Convert to fraction form
    2,877,990.45/4,314,708.36 = 1,080,673.71/x
  3. Step 3: Cross multiply
    2,877,990.45x = 4,314,708.36 × 1,080,673.71
  4. Step 4: Simplify right side
    2,877,990.45x = 4,662,791,890,969.22
  5. Step 5: Solve for x
    x = 4,662,791,890,969.22/2,877,990.45
  6. Step 6: Final answer
    x = 1,620,155.44

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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.