Home / 2,767,912.70-4,151,869.05-1,272,004.70

Finding the Fourth Proportional to 2,767,912.70, 4,151,869.05 and 1,272,004.70

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Solution

The fourth proportional to 2,767,912.70, 4,151,869.05 and 1,272,004.70 is: 1,908,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,912.70 : 4,151,869.05 = 1,272,004.70 : x
  2. Step 2: Convert to fraction form
    2,767,912.70/4,151,869.05 = 1,272,004.70/x
  3. Step 3: Cross multiply
    2,767,912.70x = 4,151,869.05 × 1,272,004.70
  4. Step 4: Simplify right side
    2,767,912.70x = 5,281,196,945,384.53
  5. Step 5: Solve for x
    x = 5,281,196,945,384.53/2,767,912.70
  6. Step 6: Final answer
    x = 1,908,007.05

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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.