Home / 3,784,217.40-5,676,326.10-2,189,894.40

Finding the Fourth Proportional to 3,784,217.40, 5,676,326.10 and 2,189,894.40

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Solution

The fourth proportional to 3,784,217.40, 5,676,326.10 and 2,189,894.40 is: 3,284,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,217.40 : 5,676,326.10 = 2,189,894.40 : x
  2. Step 2: Convert to fraction form
    3,784,217.40/5,676,326.10 = 2,189,894.40/x
  3. Step 3: Cross multiply
    3,784,217.40x = 5,676,326.10 × 2,189,894.40
  4. Step 4: Simplify right side
    3,784,217.40x = 12,430,554,738,963.84
  5. Step 5: Solve for x
    x = 12,430,554,738,963.84/3,784,217.40
  6. Step 6: Final answer
    x = 3,284,841.60

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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.