Home / 2,920,358.72-4,031,203.48-2,197,308.31

Finding the Fourth Proportional to 2,920,358.72, 4,031,203.48 and 2,197,308.31

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Solution

The fourth proportional to 2,920,358.72, 4,031,203.48 and 2,197,308.31 is: 3,033,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,358.72 : 4,031,203.48 = 2,197,308.31 : x
  2. Step 2: Convert to fraction form
    2,920,358.72/4,031,203.48 = 2,197,308.31/x
  3. Step 3: Cross multiply
    2,920,358.72x = 4,031,203.48 × 2,197,308.31
  4. Step 4: Simplify right side
    2,920,358.72x = 8,857,796,890,333.64
  5. Step 5: Solve for x
    x = 8,857,796,890,333.64/2,920,358.72
  6. Step 6: Final answer
    x = 3,033,119.47

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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.