Home / 3,115,718.70-4,670,078.85-1,318,296.30

Finding the Fourth Proportional to 3,115,718.70, 4,670,078.85 and 1,318,296.30

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Solution

The fourth proportional to 3,115,718.70, 4,670,078.85 and 1,318,296.30 is: 1,975,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,718.70 : 4,670,078.85 = 1,318,296.30 : x
  2. Step 2: Convert to fraction form
    3,115,718.70/4,670,078.85 = 1,318,296.30/x
  3. Step 3: Cross multiply
    3,115,718.70x = 4,670,078.85 × 1,318,296.30
  4. Step 4: Simplify right side
    3,115,718.70x = 6,156,547,668,663.26
  5. Step 5: Solve for x
    x = 6,156,547,668,663.26/3,115,718.70
  6. Step 6: Final answer
    x = 1,975,963.90

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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.