Home / 5,318,341.47-7,980,003.56-2,621,196.38

Finding the Fourth Proportional to 5,318,341.47, 7,980,003.56 and 2,621,196.38

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Solution

The fourth proportional to 5,318,341.47, 7,980,003.56 and 2,621,196.38 is: 3,933,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,341.47 : 7,980,003.56 = 2,621,196.38 : x
  2. Step 2: Convert to fraction form
    5,318,341.47/7,980,003.56 = 2,621,196.38/x
  3. Step 3: Cross multiply
    5,318,341.47x = 7,980,003.56 × 2,621,196.38
  4. Step 4: Simplify right side
    5,318,341.47x = 20,917,156,470,362.11
  5. Step 5: Solve for x
    x = 20,917,156,470,362.11/5,318,341.47
  6. Step 6: Final answer
    x = 3,933,022.46

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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.