Home / 2,914,578.80-4,371,868.20-2,121,426.80

Finding the Fourth Proportional to 2,914,578.80, 4,371,868.20 and 2,121,426.80

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Solution

The fourth proportional to 2,914,578.80, 4,371,868.20 and 2,121,426.80 is: 3,182,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,578.80 : 4,371,868.20 = 2,121,426.80 : x
  2. Step 2: Convert to fraction form
    2,914,578.80/4,371,868.20 = 2,121,426.80/x
  3. Step 3: Cross multiply
    2,914,578.80x = 4,371,868.20 × 2,121,426.80
  4. Step 4: Simplify right side
    2,914,578.80x = 9,274,598,365,547.76
  5. Step 5: Solve for x
    x = 9,274,598,365,547.76/2,914,578.80
  6. Step 6: Final answer
    x = 3,182,140.20

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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.