Home / 2,808,048.10-4,212,007.35-914,775.70

Finding the Fourth Proportional to 2,808,048.10, 4,212,007.35 and 914,775.70

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Solution

The fourth proportional to 2,808,048.10, 4,212,007.35 and 914,775.70 is: 1,372,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,048.10 : 4,212,007.35 = 914,775.70 : x
  2. Step 2: Convert to fraction form
    2,808,048.10/4,212,007.35 = 914,775.70/x
  3. Step 3: Cross multiply
    2,808,048.10x = 4,212,007.35 × 914,775.70
  4. Step 4: Simplify right side
    2,808,048.10x = 3,853,041,972,001.39
  5. Step 5: Solve for x
    x = 3,853,041,972,001.39/2,808,048.10
  6. Step 6: Final answer
    x = 1,372,142.44

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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.