Home / 3,648,769.55-5,034,466.53-2,178,391.91

Finding the Fourth Proportional to 3,648,769.55, 5,034,466.53 and 2,178,391.91

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Solution

The fourth proportional to 3,648,769.55, 5,034,466.53 and 2,178,391.91 is: 3,005,682.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,769.55 : 5,034,466.53 = 2,178,391.91 : x
  2. Step 2: Convert to fraction form
    3,648,769.55/5,034,466.53 = 2,178,391.91/x
  3. Step 3: Cross multiply
    3,648,769.55x = 5,034,466.53 × 2,178,391.91
  4. Step 4: Simplify right side
    3,648,769.55x = 10,967,041,134,945.44
  5. Step 5: Solve for x
    x = 10,967,041,134,945.44/3,648,769.55
  6. Step 6: Final answer
    x = 3,005,682.05

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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.