Home / 3,840,160.76-5,758,312.58-1,280,469.54

Finding the Fourth Proportional to 3,840,160.76, 5,758,312.58 and 1,280,469.54

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Solution

The fourth proportional to 3,840,160.76, 5,758,312.58 and 1,280,469.54 is: 1,920,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,160.76 : 5,758,312.58 = 1,280,469.54 : x
  2. Step 2: Convert to fraction form
    3,840,160.76/5,758,312.58 = 1,280,469.54/x
  3. Step 3: Cross multiply
    3,840,160.76x = 5,758,312.58 × 1,280,469.54
  4. Step 4: Simplify right side
    3,840,160.76x = 7,373,343,860,488.81
  5. Step 5: Solve for x
    x = 7,373,343,860,488.81/3,840,160.76
  6. Step 6: Final answer
    x = 1,920,061.25

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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.