Home / 2,891,419.55-3,990,182.60-1,602,281.46

Finding the Fourth Proportional to 2,891,419.55, 3,990,182.60 and 1,602,281.46

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Solution

The fourth proportional to 2,891,419.55, 3,990,182.60 and 1,602,281.46 is: 2,211,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,419.55 : 3,990,182.60 = 1,602,281.46 : x
  2. Step 2: Convert to fraction form
    2,891,419.55/3,990,182.60 = 1,602,281.46/x
  3. Step 3: Cross multiply
    2,891,419.55x = 3,990,182.60 × 1,602,281.46
  4. Step 4: Simplify right side
    2,891,419.55x = 6,393,395,620,963.49
  5. Step 5: Solve for x
    x = 6,393,395,620,963.49/2,891,419.55
  6. Step 6: Final answer
    x = 2,211,161.51

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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.