Home / 2,087,145.40-3,134,519.70-1,825,871.80

Finding the Fourth Proportional to 2,087,145.40, 3,134,519.70 and 1,825,871.80

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Solution

The fourth proportional to 2,087,145.40, 3,134,519.70 and 1,825,871.80 is: 2,742,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,145.40 : 3,134,519.70 = 1,825,871.80 : x
  2. Step 2: Convert to fraction form
    2,087,145.40/3,134,519.70 = 1,825,871.80/x
  3. Step 3: Cross multiply
    2,087,145.40x = 3,134,519.70 × 1,825,871.80
  4. Step 4: Simplify right side
    2,087,145.40x = 5,723,231,126,774.46
  5. Step 5: Solve for x
    x = 5,723,231,126,774.46/2,087,145.40
  6. Step 6: Final answer
    x = 2,742,133.41

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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.