Home / 2,075,428.40-3,113,920.20-814,161.20

Finding the Fourth Proportional to 2,075,428.40, 3,113,920.20 and 814,161.20

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Solution

The fourth proportional to 2,075,428.40, 3,113,920.20 and 814,161.20 is: 1,221,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,428.40 : 3,113,920.20 = 814,161.20 : x
  2. Step 2: Convert to fraction form
    2,075,428.40/3,113,920.20 = 814,161.20/x
  3. Step 3: Cross multiply
    2,075,428.40x = 3,113,920.20 × 814,161.20
  4. Step 4: Simplify right side
    2,075,428.40x = 2,535,233,006,736.24
  5. Step 5: Solve for x
    x = 2,535,233,006,736.24/2,075,428.40
  6. Step 6: Final answer
    x = 1,221,546.84

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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.