Home / 2,043,615.80-3,065,423.70-978,109.40

Finding the Fourth Proportional to 2,043,615.80, 3,065,423.70 and 978,109.40

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Solution

The fourth proportional to 2,043,615.80, 3,065,423.70 and 978,109.40 is: 1,467,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043,615.80 : 3,065,423.70 = 978,109.40 : x
  2. Step 2: Convert to fraction form
    2,043,615.80/3,065,423.70 = 978,109.40/x
  3. Step 3: Cross multiply
    2,043,615.80x = 3,065,423.70 × 978,109.40
  4. Step 4: Simplify right side
    2,043,615.80x = 2,998,319,735,952.78
  5. Step 5: Solve for x
    x = 2,998,319,735,952.78/2,043,615.80
  6. Step 6: Final answer
    x = 1,467,164.10

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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.