Home / 5,178,270.78-7,149,075.30-4,603,720.50

Finding the Fourth Proportional to 5,178,270.78, 7,149,075.30 and 4,603,720.50

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Solution

The fourth proportional to 5,178,270.78, 7,149,075.30 and 4,603,720.50 is: 6,355,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,270.78 : 7,149,075.30 = 4,603,720.50 : x
  2. Step 2: Convert to fraction form
    5,178,270.78/7,149,075.30 = 4,603,720.50/x
  3. Step 3: Cross multiply
    5,178,270.78x = 7,149,075.30 × 4,603,720.50
  4. Step 4: Simplify right side
    5,178,270.78x = 32,912,344,514,653.65
  5. Step 5: Solve for x
    x = 32,912,344,514,653.65/5,178,270.78
  6. Step 6: Final answer
    x = 6,355,856.21

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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.