Home / 2,239,761.40-3,357,017.70-1,678,139.80

Finding the Fourth Proportional to 2,239,761.40, 3,357,017.70 and 1,678,139.80

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Solution

The fourth proportional to 2,239,761.40, 3,357,017.70 and 1,678,139.80 is: 2,515,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,761.40 : 3,357,017.70 = 1,678,139.80 : x
  2. Step 2: Convert to fraction form
    2,239,761.40/3,357,017.70 = 1,678,139.80/x
  3. Step 3: Cross multiply
    2,239,761.40x = 3,357,017.70 × 1,678,139.80
  4. Step 4: Simplify right side
    2,239,761.40x = 5,633,545,011,674.46
  5. Step 5: Solve for x
    x = 5,633,545,011,674.46/2,239,761.40
  6. Step 6: Final answer
    x = 2,515,243.37

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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.