Home / 3,451,411.89-4,762,962.84-1,902,639.57

Finding the Fourth Proportional to 3,451,411.89, 4,762,962.84 and 1,902,639.57

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Solution

The fourth proportional to 3,451,411.89, 4,762,962.84 and 1,902,639.57 is: 2,625,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,411.89 : 4,762,962.84 = 1,902,639.57 : x
  2. Step 2: Convert to fraction form
    3,451,411.89/4,762,962.84 = 1,902,639.57/x
  3. Step 3: Cross multiply
    3,451,411.89x = 4,762,962.84 × 1,902,639.57
  4. Step 4: Simplify right side
    3,451,411.89x = 9,062,201,569,823.58
  5. Step 5: Solve for x
    x = 9,062,201,569,823.58/3,451,411.89
  6. Step 6: Final answer
    x = 2,625,650.56

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1.5x scale

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.