Home / 1,821,312.70-2,731,969.05-981,504.70

Finding the Fourth Proportional to 1,821,312.70, 2,731,969.05 and 981,504.70

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Solution

The fourth proportional to 1,821,312.70, 2,731,969.05 and 981,504.70 is: 1,472,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,312.70 : 2,731,969.05 = 981,504.70 : x
  2. Step 2: Convert to fraction form
    1,821,312.70/2,731,969.05 = 981,504.70/x
  3. Step 3: Cross multiply
    1,821,312.70x = 2,731,969.05 × 981,504.70
  4. Step 4: Simplify right side
    1,821,312.70x = 2,681,440,462,829.53
  5. Step 5: Solve for x
    x = 2,681,440,462,829.53/1,821,312.70
  6. Step 6: Final answer
    x = 1,472,257.05

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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.