Home / 3,077,909.43-4,617,096.21-918,764.03

Finding the Fourth Proportional to 3,077,909.43, 4,617,096.21 and 918,764.03

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Solution

The fourth proportional to 3,077,909.43, 4,617,096.21 and 918,764.03 is: 1,378,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,909.43 : 4,617,096.21 = 918,764.03 : x
  2. Step 2: Convert to fraction form
    3,077,909.43/4,617,096.21 = 918,764.03/x
  3. Step 3: Cross multiply
    3,077,909.43x = 4,617,096.21 × 918,764.03
  4. Step 4: Simplify right side
    3,077,909.43x = 4,242,021,897,711.85
  5. Step 5: Solve for x
    x = 4,242,021,897,711.85/3,077,909.43
  6. Step 6: Final answer
    x = 1,378,215.31

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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.