Home / 3,315,742.70-4,973,613.77-919,587.29

Finding the Fourth Proportional to 3,315,742.70, 4,973,613.77 and 919,587.29

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Solution

The fourth proportional to 3,315,742.70, 4,973,613.77 and 919,587.29 is: 1,379,380.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,742.70 : 4,973,613.77 = 919,587.29 : x
  2. Step 2: Convert to fraction form
    3,315,742.70/4,973,613.77 = 919,587.29/x
  3. Step 3: Cross multiply
    3,315,742.70x = 4,973,613.77 × 919,587.29
  4. Step 4: Simplify right side
    3,315,742.70x = 4,573,671,978,794.98
  5. Step 5: Solve for x
    x = 4,573,671,978,794.98/3,315,742.70
  6. Step 6: Final answer
    x = 1,379,380.85

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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.