Home / 1,899,240.77-2,621,321.15-1,439,553.53

Finding the Fourth Proportional to 1,899,240.77, 2,621,321.15 and 1,439,553.53

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Solution

The fourth proportional to 1,899,240.77, 2,621,321.15 and 1,439,553.53 is: 1,986,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,240.77 : 2,621,321.15 = 1,439,553.53 : x
  2. Step 2: Convert to fraction form
    1,899,240.77/2,621,321.15 = 1,439,553.53/x
  3. Step 3: Cross multiply
    1,899,240.77x = 2,621,321.15 × 1,439,553.53
  4. Step 4: Simplify right side
    1,899,240.77x = 3,773,532,114,101.70
  5. Step 5: Solve for x
    x = 3,773,532,114,101.70/1,899,240.77
  6. Step 6: Final answer
    x = 1,986,863.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.