Home / 1,618,689.20-2,428,033.80-1,482,220.40

Finding the Fourth Proportional to 1,618,689.20, 2,428,033.80 and 1,482,220.40

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Solution

The fourth proportional to 1,618,689.20, 2,428,033.80 and 1,482,220.40 is: 2,223,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,689.20 : 2,428,033.80 = 1,482,220.40 : x
  2. Step 2: Convert to fraction form
    1,618,689.20/2,428,033.80 = 1,482,220.40/x
  3. Step 3: Cross multiply
    1,618,689.20x = 2,428,033.80 × 1,482,220.40
  4. Step 4: Simplify right side
    1,618,689.20x = 3,598,881,230,249.52
  5. Step 5: Solve for x
    x = 3,598,881,230,249.52/1,618,689.20
  6. Step 6: Final answer
    x = 2,223,330.60

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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.