Home / 1,998,310.15-2,997,492.57-650,478.46

Finding the Fourth Proportional to 1,998,310.15, 2,997,492.57 and 650,478.46

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Solution

The fourth proportional to 1,998,310.15, 2,997,492.57 and 650,478.46 is: 975,726.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,310.15 : 2,997,492.57 = 650,478.46 : x
  2. Step 2: Convert to fraction form
    1,998,310.15/2,997,492.57 = 650,478.46/x
  3. Step 3: Cross multiply
    1,998,310.15x = 2,997,492.57 × 650,478.46
  4. Step 4: Simplify right side
    1,998,310.15x = 1,949,804,350,795.04
  5. Step 5: Solve for x
    x = 1,949,804,350,795.04/1,998,310.15
  6. Step 6: Final answer
    x = 975,726.59

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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.