Home / 3,240,012.40-4,858,852.20-1,642,044.40

Finding the Fourth Proportional to 3,240,012.40, 4,858,852.20 and 1,642,044.40

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Solution

The fourth proportional to 3,240,012.40, 4,858,852.20 and 1,642,044.40 is: 2,462,475.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,012.40 : 4,858,852.20 = 1,642,044.40 : x
  2. Step 2: Convert to fraction form
    3,240,012.40/4,858,852.20 = 1,642,044.40/x
  3. Step 3: Cross multiply
    3,240,012.40x = 4,858,852.20 × 1,642,044.40
  4. Step 4: Simplify right side
    3,240,012.40x = 7,978,451,045,437.68
  5. Step 5: Solve for x
    x = 7,978,451,045,437.68/3,240,012.40
  6. Step 6: Final answer
    x = 2,462,475.47

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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.