Home / 3,120,922.60-4,681,383.90-877,060.60

Finding the Fourth Proportional to 3,120,922.60, 4,681,383.90 and 877,060.60

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Solution

The fourth proportional to 3,120,922.60, 4,681,383.90 and 877,060.60 is: 1,315,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,922.60 : 4,681,383.90 = 877,060.60 : x
  2. Step 2: Convert to fraction form
    3,120,922.60/4,681,383.90 = 877,060.60/x
  3. Step 3: Cross multiply
    3,120,922.60x = 4,681,383.90 × 877,060.60
  4. Step 4: Simplify right side
    3,120,922.60x = 4,105,857,372,164.34
  5. Step 5: Solve for x
    x = 4,105,857,372,164.34/3,120,922.60
  6. Step 6: Final answer
    x = 1,315,590.90

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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.