Home / 2,428,131.40-3,643,655.10-1,008,039.40

Finding the Fourth Proportional to 2,428,131.40, 3,643,655.10 and 1,008,039.40

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Solution

The fourth proportional to 2,428,131.40, 3,643,655.10 and 1,008,039.40 is: 1,512,664.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,131.40 : 3,643,655.10 = 1,008,039.40 : x
  2. Step 2: Convert to fraction form
    2,428,131.40/3,643,655.10 = 1,008,039.40/x
  3. Step 3: Cross multiply
    2,428,131.40x = 3,643,655.10 × 1,008,039.40
  4. Step 4: Simplify right side
    2,428,131.40x = 3,672,947,900,810.94
  5. Step 5: Solve for x
    x = 3,672,947,900,810.94/2,428,131.40
  6. Step 6: Final answer
    x = 1,512,664.39

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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.