Home / 2,075,414.40-3,113,899.20-814,147.20

Finding the Fourth Proportional to 2,075,414.40, 3,113,899.20 and 814,147.20

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Solution

The fourth proportional to 2,075,414.40, 3,113,899.20 and 814,147.20 is: 1,221,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,414.40 : 3,113,899.20 = 814,147.20 : x
  2. Step 2: Convert to fraction form
    2,075,414.40/3,113,899.20 = 814,147.20/x
  3. Step 3: Cross multiply
    2,075,414.40x = 3,113,899.20 × 814,147.20
  4. Step 4: Simplify right side
    2,075,414.40x = 2,535,172,314,762.24
  5. Step 5: Solve for x
    x = 2,535,172,314,762.24/2,075,414.40
  6. Step 6: Final answer
    x = 1,221,525.84

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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.