Home / 5,109,998.40-7,662,081.60-1,915,228.80

Finding the Fourth Proportional to 5,109,998.40, 7,662,081.60 and 1,915,228.80

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Solution

The fourth proportional to 5,109,998.40, 7,662,081.60 and 1,915,228.80 is: 2,871,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109,998.40 : 7,662,081.60 = 1,915,228.80 : x
  2. Step 2: Convert to fraction form
    5,109,998.40/7,662,081.60 = 1,915,228.80/x
  3. Step 3: Cross multiply
    5,109,998.40x = 7,662,081.60 × 1,915,228.80
  4. Step 4: Simplify right side
    5,109,998.40x = 14,674,639,348,270.08
  5. Step 5: Solve for x
    x = 14,674,639,348,270.08/5,109,998.40
  6. Step 6: Final answer
    x = 2,871,750.28

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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.