Home / 2,943,680.40-4,416,012.27-921,521.88

Finding the Fourth Proportional to 2,943,680.40, 4,416,012.27 and 921,521.88

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Solution

The fourth proportional to 2,943,680.40, 4,416,012.27 and 921,521.88 is: 1,382,436.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943,680.40 : 4,416,012.27 = 921,521.88 : x
  2. Step 2: Convert to fraction form
    2,943,680.40/4,416,012.27 = 921,521.88/x
  3. Step 3: Cross multiply
    2,943,680.40x = 4,416,012.27 × 921,521.88
  4. Step 4: Simplify right side
    2,943,680.40x = 4,069,451,929,153.47
  5. Step 5: Solve for x
    x = 4,069,451,929,153.47/2,943,680.40
  6. Step 6: Final answer
    x = 1,382,436.74

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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.