Home / 5,178,279.84-7,149,087.72-4,603,729.56

Finding the Fourth Proportional to 5,178,279.84, 7,149,087.72 and 4,603,729.56

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Solution

The fourth proportional to 5,178,279.84, 7,149,087.72 and 4,603,729.56 is: 6,355,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,279.84 : 7,149,087.72 = 4,603,729.56 : x
  2. Step 2: Convert to fraction form
    5,178,279.84/7,149,087.72 = 4,603,729.56/x
  3. Step 3: Cross multiply
    5,178,279.84x = 7,149,087.72 × 4,603,729.56
  4. Step 4: Simplify right side
    5,178,279.84x = 32,912,466,463,597
  5. Step 5: Solve for x
    x = 32,912,466,463,597/5,178,279.84
  6. Step 6: Final answer
    x = 6,355,868.64

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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.