Home / 2,866,412.40-4,299,618.60-871,609.20

Finding the Fourth Proportional to 2,866,412.40, 4,299,618.60 and 871,609.20

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Solution

The fourth proportional to 2,866,412.40, 4,299,618.60 and 871,609.20 is: 1,307,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,412.40 : 4,299,618.60 = 871,609.20 : x
  2. Step 2: Convert to fraction form
    2,866,412.40/4,299,618.60 = 871,609.20/x
  3. Step 3: Cross multiply
    2,866,412.40x = 4,299,618.60 × 871,609.20
  4. Step 4: Simplify right side
    2,866,412.40x = 3,747,587,128,251.12
  5. Step 5: Solve for x
    x = 3,747,587,128,251.12/2,866,412.40
  6. Step 6: Final answer
    x = 1,307,413.80

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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.