Home / 2,066,871.30-3,100,404.15-646,973.70

Finding the Fourth Proportional to 2,066,871.30, 3,100,404.15 and 646,973.70

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Solution

The fourth proportional to 2,066,871.30, 3,100,404.15 and 646,973.70 is: 970,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066,871.30 : 3,100,404.15 = 646,973.70 : x
  2. Step 2: Convert to fraction form
    2,066,871.30/3,100,404.15 = 646,973.70/x
  3. Step 3: Cross multiply
    2,066,871.30x = 3,100,404.15 × 646,973.70
  4. Step 4: Simplify right side
    2,066,871.30x = 2,005,879,944,420.85
  5. Step 5: Solve for x
    x = 2,005,879,944,420.85/2,066,871.30
  6. Step 6: Final answer
    x = 970,490.98

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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.