Home / 2,490,981.22-3,722,823.40-1,818,478.66

Finding the Fourth Proportional to 2,490,981.22, 3,722,823.40 and 1,818,478.66

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Solution

The fourth proportional to 2,490,981.22, 3,722,823.40 and 1,818,478.66 is: 2,717,754.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,981.22 : 3,722,823.40 = 1,818,478.66 : x
  2. Step 2: Convert to fraction form
    2,490,981.22/3,722,823.40 = 1,818,478.66/x
  3. Step 3: Cross multiply
    2,490,981.22x = 3,722,823.40 × 1,818,478.66
  4. Step 4: Simplify right side
    2,490,981.22x = 6,769,874,907,848.64
  5. Step 5: Solve for x
    x = 6,769,874,907,848.64/2,490,981.22
  6. Step 6: Final answer
    x = 2,717,754.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.