Home / 2,198,655.90-3,296,999.70-999,961.20

Finding the Fourth Proportional to 2,198,655.90, 3,296,999.70 and 999,961.20

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Solution

The fourth proportional to 2,198,655.90, 3,296,999.70 and 999,961.20 is: 1,499,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,655.90 : 3,296,999.70 = 999,961.20 : x
  2. Step 2: Convert to fraction form
    2,198,655.90/3,296,999.70 = 999,961.20/x
  3. Step 3: Cross multiply
    2,198,655.90x = 3,296,999.70 × 999,961.20
  4. Step 4: Simplify right side
    2,198,655.90x = 3,296,871,776,411.64
  5. Step 5: Solve for x
    x = 3,296,871,776,411.64/2,198,655.90
  6. Step 6: Final answer
    x = 1,499,494.20

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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.