Home / 5,158,679.67-7,738,093.89-1,963,981.35

Finding the Fourth Proportional to 5,158,679.67, 7,738,093.89 and 1,963,981.35

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Solution

The fourth proportional to 5,158,679.67, 7,738,093.89 and 1,963,981.35 is: 2,946,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158,679.67 : 7,738,093.89 = 1,963,981.35 : x
  2. Step 2: Convert to fraction form
    5,158,679.67/7,738,093.89 = 1,963,981.35/x
  3. Step 3: Cross multiply
    5,158,679.67x = 7,738,093.89 × 1,963,981.35
  4. Step 4: Simplify right side
    5,158,679.67x = 15,197,472,084,508.95
  5. Step 5: Solve for x
    x = 15,197,472,084,508.95/5,158,679.67
  6. Step 6: Final answer
    x = 2,946,000.34

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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.