Home / 2,663,343.76-3,995,413.44-980,319.28

Finding the Fourth Proportional to 2,663,343.76, 3,995,413.44 and 980,319.28

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Solution

The fourth proportional to 2,663,343.76, 3,995,413.44 and 980,319.28 is: 1,470,625.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,343.76 : 3,995,413.44 = 980,319.28 : x
  2. Step 2: Convert to fraction form
    2,663,343.76/3,995,413.44 = 980,319.28/x
  3. Step 3: Cross multiply
    2,663,343.76x = 3,995,413.44 × 980,319.28
  4. Step 4: Simplify right side
    2,663,343.76x = 3,916,780,826,803.12
  5. Step 5: Solve for x
    x = 3,916,780,826,803.12/2,663,343.76
  6. Step 6: Final answer
    x = 1,470,625.34

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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.