Home / 1,660,075.12-2,286,079.78-1,442,184.31

Finding the Fourth Proportional to 1,660,075.12, 2,286,079.78 and 1,442,184.31

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Solution

The fourth proportional to 1,660,075.12, 2,286,079.78 and 1,442,184.31 is: 1,986,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,075.12 : 2,286,079.78 = 1,442,184.31 : x
  2. Step 2: Convert to fraction form
    1,660,075.12/2,286,079.78 = 1,442,184.31/x
  3. Step 3: Cross multiply
    1,660,075.12x = 2,286,079.78 × 1,442,184.31
  4. Step 4: Simplify right side
    1,660,075.12x = 3,296,948,390,124.25
  5. Step 5: Solve for x
    x = 3,296,948,390,124.25/1,660,075.12
  6. Step 6: Final answer
    x = 1,986,023.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.