Home / 5,276,456.18-7,912,666.73-2,879,019.40

Finding the Fourth Proportional to 5,276,456.18, 7,912,666.73 and 2,879,019.40

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Solution

The fourth proportional to 5,276,456.18, 7,912,666.73 and 2,879,019.40 is: 4,317,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276,456.18 : 7,912,666.73 = 2,879,019.40 : x
  2. Step 2: Convert to fraction form
    5,276,456.18/7,912,666.73 = 2,879,019.40/x
  3. Step 3: Cross multiply
    5,276,456.18x = 7,912,666.73 × 2,879,019.40
  4. Step 4: Simplify right side
    5,276,456.18x = 22,780,721,008,820.44
  5. Step 5: Solve for x
    x = 22,780,721,008,820.44/5,276,456.18
  6. Step 6: Final answer
    x = 4,317,428.26

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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.