Home / 1,869,561.20-2,805,216.60-972,016.40

Finding the Fourth Proportional to 1,869,561.20, 2,805,216.60 and 972,016.40

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Solution

The fourth proportional to 1,869,561.20, 2,805,216.60 and 972,016.40 is: 1,458,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,561.20 : 2,805,216.60 = 972,016.40 : x
  2. Step 2: Convert to fraction form
    1,869,561.20/2,805,216.60 = 972,016.40/x
  3. Step 3: Cross multiply
    1,869,561.20x = 2,805,216.60 × 972,016.40
  4. Step 4: Simplify right side
    1,869,561.20x = 2,726,716,540,752.24
  5. Step 5: Solve for x
    x = 2,726,716,540,752.24/1,869,561.20
  6. Step 6: Final answer
    x = 1,458,479.42

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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.