Home / 3,245,787.40-4,478,796.33-1,869,578.71

Finding the Fourth Proportional to 3,245,787.40, 4,478,796.33 and 1,869,578.71

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Solution

The fourth proportional to 3,245,787.40, 4,478,796.33 and 1,869,578.71 is: 2,579,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245,787.40 : 4,478,796.33 = 1,869,578.71 : x
  2. Step 2: Convert to fraction form
    3,245,787.40/4,478,796.33 = 1,869,578.71/x
  3. Step 3: Cross multiply
    3,245,787.40x = 4,478,796.33 × 1,869,578.71
  4. Step 4: Simplify right side
    3,245,787.40x = 8,373,462,264,994.13
  5. Step 5: Solve for x
    x = 8,373,462,264,994.13/3,245,787.40
  6. Step 6: Final answer
    x = 2,579,793.82

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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.