Home / 3,134,623.84-4,326,253.73-1,911,638.80

Finding the Fourth Proportional to 3,134,623.84, 4,326,253.73 and 1,911,638.80

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Solution

The fourth proportional to 3,134,623.84, 4,326,253.73 and 1,911,638.80 is: 2,638,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,623.84 : 4,326,253.73 = 1,911,638.80 : x
  2. Step 2: Convert to fraction form
    3,134,623.84/4,326,253.73 = 1,911,638.80/x
  3. Step 3: Cross multiply
    3,134,623.84x = 4,326,253.73 × 1,911,638.80
  4. Step 4: Simplify right side
    3,134,623.84x = 8,270,234,491,930.99
  5. Step 5: Solve for x
    x = 8,270,234,491,930.99/3,134,623.84
  6. Step 6: Final answer
    x = 2,638,349.90

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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.