Home / 1,821,361.34-2,731,543.28-684,035.57

Finding the Fourth Proportional to 1,821,361.34, 2,731,543.28 and 684,035.57

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Solution

The fourth proportional to 1,821,361.34, 2,731,543.28 and 684,035.57 is: 1,025,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,361.34 : 2,731,543.28 = 684,035.57 : x
  2. Step 2: Convert to fraction form
    1,821,361.34/2,731,543.28 = 684,035.57/x
  3. Step 3: Cross multiply
    1,821,361.34x = 2,731,543.28 × 684,035.57
  4. Step 4: Simplify right side
    1,821,361.34x = 1,868,472,773,053.42
  5. Step 5: Solve for x
    x = 1,868,472,773,053.42/1,821,361.34
  6. Step 6: Final answer
    x = 1,025,866.05

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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.