Home / 1,919,053.18-2,648,449.20-1,103,521.96

Finding the Fourth Proportional to 1,919,053.18, 2,648,449.20 and 1,103,521.96

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Solution

The fourth proportional to 1,919,053.18, 2,648,449.20 and 1,103,521.96 is: 1,522,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,053.18 : 2,648,449.20 = 1,103,521.96 : x
  2. Step 2: Convert to fraction form
    1,919,053.18/2,648,449.20 = 1,103,521.96/x
  3. Step 3: Cross multiply
    1,919,053.18x = 2,648,449.20 × 1,103,521.96
  4. Step 4: Simplify right side
    1,919,053.18x = 2,922,621,852,144.43
  5. Step 5: Solve for x
    x = 2,922,621,852,144.43/1,919,053.18
  6. Step 6: Final answer
    x = 1,522,949.90

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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.