Home / 1,954,703.40-2,932,055.10-1,618,780.20

Finding the Fourth Proportional to 1,954,703.40, 2,932,055.10 and 1,618,780.20

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Solution

The fourth proportional to 1,954,703.40, 2,932,055.10 and 1,618,780.20 is: 2,428,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,703.40 : 2,932,055.10 = 1,618,780.20 : x
  2. Step 2: Convert to fraction form
    1,954,703.40/2,932,055.10 = 1,618,780.20/x
  3. Step 3: Cross multiply
    1,954,703.40x = 2,932,055.10 × 1,618,780.20
  4. Step 4: Simplify right side
    1,954,703.40x = 4,746,352,741,189.02
  5. Step 5: Solve for x
    x = 4,746,352,741,189.02/1,954,703.40
  6. Step 6: Final answer
    x = 2,428,170.30

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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.