Home / 2,427,840.86-3,350,420.57-1,340,112.71

Finding the Fourth Proportional to 2,427,840.86, 3,350,420.57 and 1,340,112.71

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Solution

The fourth proportional to 2,427,840.86, 3,350,420.57 and 1,340,112.71 is: 1,849,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427,840.86 : 3,350,420.57 = 1,340,112.71 : x
  2. Step 2: Convert to fraction form
    2,427,840.86/3,350,420.57 = 1,340,112.71/x
  3. Step 3: Cross multiply
    2,427,840.86x = 3,350,420.57 × 1,340,112.71
  4. Step 4: Simplify right side
    2,427,840.86x = 4,489,941,201,428.78
  5. Step 5: Solve for x
    x = 4,489,941,201,428.78/2,427,840.86
  6. Step 6: Final answer
    x = 1,849,355.65

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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.