Home / 5,133,767.31-7,084,992.38-2,928,678.67

Finding the Fourth Proportional to 5,133,767.31, 7,084,992.38 and 2,928,678.67

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Solution

The fourth proportional to 5,133,767.31, 7,084,992.38 and 2,928,678.67 is: 4,041,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133,767.31 : 7,084,992.38 = 2,928,678.67 : x
  2. Step 2: Convert to fraction form
    5,133,767.31/7,084,992.38 = 2,928,678.67/x
  3. Step 3: Cross multiply
    5,133,767.31x = 7,084,992.38 × 2,928,678.67
  4. Step 4: Simplify right side
    5,133,767.31x = 20,749,666,060,418.54
  5. Step 5: Solve for x
    x = 20,749,666,060,418.54/5,133,767.31
  6. Step 6: Final answer
    x = 4,041,801.04

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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.