Home / 2,043,965.80-3,065,948.70-978,459.40

Finding the Fourth Proportional to 2,043,965.80, 3,065,948.70 and 978,459.40

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Solution

The fourth proportional to 2,043,965.80, 3,065,948.70 and 978,459.40 is: 1,467,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,965.80 : 3,065,948.70 = 978,459.40 : x
  2. Step 2: Convert to fraction form
    2,043,965.80/3,065,948.70 = 978,459.40/x
  3. Step 3: Cross multiply
    2,043,965.80x = 3,065,948.70 × 978,459.40
  4. Step 4: Simplify right side
    2,043,965.80x = 2,999,906,325,432.78
  5. Step 5: Solve for x
    x = 2,999,906,325,432.78/2,043,965.80
  6. Step 6: Final answer
    x = 1,467,689.10

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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.