Home / 2,198,761.95-3,298,055.86-919,038.90

Finding the Fourth Proportional to 2,198,761.95, 3,298,055.86 and 919,038.90

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Solution

The fourth proportional to 2,198,761.95, 3,298,055.86 and 919,038.90 is: 1,378,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,761.95 : 3,298,055.86 = 919,038.90 : x
  2. Step 2: Convert to fraction form
    2,198,761.95/3,298,055.86 = 919,038.90/x
  3. Step 3: Cross multiply
    2,198,761.95x = 3,298,055.86 × 919,038.90
  4. Step 4: Simplify right side
    2,198,761.95x = 3,031,041,629,712.95
  5. Step 5: Solve for x
    x = 3,031,041,629,712.95/2,198,761.95
  6. Step 6: Final answer
    x = 1,378,521.96

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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.