Home / 2,161,365.32-2,982,969.28-2,090,388.96

Finding the Fourth Proportional to 2,161,365.32, 2,982,969.28 and 2,090,388.96

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Solution

The fourth proportional to 2,161,365.32, 2,982,969.28 and 2,090,388.96 is: 2,885,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,365.32 : 2,982,969.28 = 2,090,388.96 : x
  2. Step 2: Convert to fraction form
    2,161,365.32/2,982,969.28 = 2,090,388.96/x
  3. Step 3: Cross multiply
    2,161,365.32x = 2,982,969.28 × 2,090,388.96
  4. Step 4: Simplify right side
    2,161,365.32x = 6,235,566,050,931.15
  5. Step 5: Solve for x
    x = 6,235,566,050,931.15/2,161,365.32
  6. Step 6: Final answer
    x = 2,885,012.54

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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.