Home / 3,208,117.53-4,812,176.30-1,078,201.65

Finding the Fourth Proportional to 3,208,117.53, 4,812,176.30 and 1,078,201.65

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Solution

The fourth proportional to 3,208,117.53, 4,812,176.30 and 1,078,201.65 is: 1,617,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,117.53 : 4,812,176.30 = 1,078,201.65 : x
  2. Step 2: Convert to fraction form
    3,208,117.53/4,812,176.30 = 1,078,201.65/x
  3. Step 3: Cross multiply
    3,208,117.53x = 4,812,176.30 × 1,078,201.65
  4. Step 4: Simplify right side
    3,208,117.53x = 5,188,496,421,359.89
  5. Step 5: Solve for x
    x = 5,188,496,421,359.89/3,208,117.53
  6. Step 6: Final answer
    x = 1,617,302.48

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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.