Home / 2,821,225.38-3,894,482.76-1,904,695.92

Finding the Fourth Proportional to 2,821,225.38, 3,894,482.76 and 1,904,695.92

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Solution

The fourth proportional to 2,821,225.38, 3,894,482.76 and 1,904,695.92 is: 2,629,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,225.38 : 3,894,482.76 = 1,904,695.92 : x
  2. Step 2: Convert to fraction form
    2,821,225.38/3,894,482.76 = 1,904,695.92/x
  3. Step 3: Cross multiply
    2,821,225.38x = 3,894,482.76 × 1,904,695.92
  4. Step 4: Simplify right side
    2,821,225.38x = 7,417,805,423,482.34
  5. Step 5: Solve for x
    x = 7,417,805,423,482.34/2,821,225.38
  6. Step 6: Final answer
    x = 2,629,284.95

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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.