Home / 4,923,138.40-7,386,781.20-2,680,885.60

Finding the Fourth Proportional to 4,923,138.40, 7,386,781.20 and 2,680,885.60

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Solution

The fourth proportional to 4,923,138.40, 7,386,781.20 and 2,680,885.60 is: 4,022,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,923,138.40 : 7,386,781.20 = 2,680,885.60 : x
  2. Step 2: Convert to fraction form
    4,923,138.40/7,386,781.20 = 2,680,885.60/x
  3. Step 3: Cross multiply
    4,923,138.40x = 7,386,781.20 × 2,680,885.60
  4. Step 4: Simplify right side
    4,923,138.40x = 19,803,115,349,430.72
  5. Step 5: Solve for x
    x = 19,803,115,349,430.72/4,923,138.40
  6. Step 6: Final answer
    x = 4,022,457.57

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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.