Home / 2,866,411.40-4,299,617.10-871,608.20

Finding the Fourth Proportional to 2,866,411.40, 4,299,617.10 and 871,608.20

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Solution

The fourth proportional to 2,866,411.40, 4,299,617.10 and 871,608.20 is: 1,307,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866,411.40 : 4,299,617.10 = 871,608.20 : x
  2. Step 2: Convert to fraction form
    2,866,411.40/4,299,617.10 = 871,608.20/x
  3. Step 3: Cross multiply
    2,866,411.40x = 4,299,617.10 × 871,608.20
  4. Step 4: Simplify right side
    2,866,411.40x = 3,747,581,521,220.22
  5. Step 5: Solve for x
    x = 3,747,581,521,220.22/2,866,411.40
  6. Step 6: Final answer
    x = 1,307,412.30

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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.