Home / 2,319,319.20-3,200,683.68-1,300,702.08

Finding the Fourth Proportional to 2,319,319.20, 3,200,683.68 and 1,300,702.08

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Solution

The fourth proportional to 2,319,319.20, 3,200,683.68 and 1,300,702.08 is: 1,794,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319,319.20 : 3,200,683.68 = 1,300,702.08 : x
  2. Step 2: Convert to fraction form
    2,319,319.20/3,200,683.68 = 1,300,702.08/x
  3. Step 3: Cross multiply
    2,319,319.20x = 3,200,683.68 × 1,300,702.08
  4. Step 4: Simplify right side
    2,319,319.20x = 4,163,135,919,998.06
  5. Step 5: Solve for x
    x = 4,163,135,919,998.06/2,319,319.20
  6. Step 6: Final answer
    x = 1,794,981.87

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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.