Home / 1,830,349.52-2,743,891.32-931,288.40

Finding the Fourth Proportional to 1,830,349.52, 2,743,891.32 and 931,288.40

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Solution

The fourth proportional to 1,830,349.52, 2,743,891.32 and 931,288.40 is: 1,396,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,349.52 : 2,743,891.32 = 931,288.40 : x
  2. Step 2: Convert to fraction form
    1,830,349.52/2,743,891.32 = 931,288.40/x
  3. Step 3: Cross multiply
    1,830,349.52x = 2,743,891.32 × 931,288.40
  4. Step 4: Simplify right side
    1,830,349.52x = 2,555,354,157,176.69
  5. Step 5: Solve for x
    x = 2,555,354,157,176.69/1,830,349.52
  6. Step 6: Final answer
    x = 1,396,101.74

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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.