Home / 5,269,881.53-7,272,395.42-2,946,778.55

Finding the Fourth Proportional to 5,269,881.53, 7,272,395.42 and 2,946,778.55

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Solution

The fourth proportional to 5,269,881.53, 7,272,395.42 and 2,946,778.55 is: 4,066,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269,881.53 : 7,272,395.42 = 2,946,778.55 : x
  2. Step 2: Convert to fraction form
    5,269,881.53/7,272,395.42 = 2,946,778.55/x
  3. Step 3: Cross multiply
    5,269,881.53x = 7,272,395.42 × 2,946,778.55
  4. Step 4: Simplify right side
    5,269,881.53x = 21,430,138,779,678.37
  5. Step 5: Solve for x
    x = 21,430,138,779,678.37/5,269,881.53
  6. Step 6: Final answer
    x = 4,066,531.42

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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.