Home / 1,936,025.28-2,672,278.10-1,291,443.93

Finding the Fourth Proportional to 1,936,025.28, 2,672,278.10 and 1,291,443.93

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Solution

The fourth proportional to 1,936,025.28, 2,672,278.10 and 1,291,443.93 is: 1,782,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,025.28 : 2,672,278.10 = 1,291,443.93 : x
  2. Step 2: Convert to fraction form
    1,936,025.28/2,672,278.10 = 1,291,443.93/x
  3. Step 3: Cross multiply
    1,936,025.28x = 2,672,278.10 × 1,291,443.93
  4. Step 4: Simplify right side
    1,936,025.28x = 3,451,097,325,059.71
  5. Step 5: Solve for x
    x = 3,451,097,325,059.71/1,936,025.28
  6. Step 6: Final answer
    x = 1,782,568.32

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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.