Home / 3,078,176-4,247,869.76-1,720,048.96

Finding the Fourth Proportional to 3,078,176, 4,247,869.76 and 1,720,048.96

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Solution

The fourth proportional to 3,078,176, 4,247,869.76 and 1,720,048.96 is: 2,373,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,176 : 4,247,869.76 = 1,720,048.96 : x
  2. Step 2: Convert to fraction form
    3,078,176/4,247,869.76 = 1,720,048.96/x
  3. Step 3: Cross multiply
    3,078,176x = 4,247,869.76 × 1,720,048.96
  4. Step 4: Simplify right side
    3,078,176x = 7,306,543,962,903.45
  5. Step 5: Solve for x
    x = 7,306,543,962,903.45/3,078,176
  6. Step 6: Final answer
    x = 2,373,660.23

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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.