Home / 1,869,371.40-2,803,911.30-731,912.70

Finding the Fourth Proportional to 1,869,371.40, 2,803,911.30 and 731,912.70

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Solution

The fourth proportional to 1,869,371.40, 2,803,911.30 and 731,912.70 is: 1,097,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,371.40 : 2,803,911.30 = 731,912.70 : x
  2. Step 2: Convert to fraction form
    1,869,371.40/2,803,911.30 = 731,912.70/x
  3. Step 3: Cross multiply
    1,869,371.40x = 2,803,911.30 × 731,912.70
  4. Step 4: Simplify right side
    1,869,371.40x = 2,052,218,290,143.51
  5. Step 5: Solve for x
    x = 2,052,218,290,143.51/1,869,371.40
  6. Step 6: Final answer
    x = 1,097,811.97

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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.