Home / 5,381,630-7,426,707.48-2,934,221.12

Finding the Fourth Proportional to 5,381,630, 7,426,707.48 and 2,934,221.12

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Solution

The fourth proportional to 5,381,630, 7,426,707.48 and 2,934,221.12 is: 4,049,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381,630 : 7,426,707.48 = 2,934,221.12 : x
  2. Step 2: Convert to fraction form
    5,381,630/7,426,707.48 = 2,934,221.12/x
  3. Step 3: Cross multiply
    5,381,630x = 7,426,707.48 × 2,934,221.12
  4. Step 4: Simplify right side
    5,381,630x = 21,791,601,939,877.98
  5. Step 5: Solve for x
    x = 21,791,601,939,877.98/5,381,630
  6. Step 6: Final answer
    x = 4,049,256.81

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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.