Home / 4,154,919.75-6,220,901.96-2,128,800.93

Finding the Fourth Proportional to 4,154,919.75, 6,220,901.96 and 2,128,800.93

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Solution

The fourth proportional to 4,154,919.75, 6,220,901.96 and 2,128,800.93 is: 3,187,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154,919.75 : 6,220,901.96 = 2,128,800.93 : x
  2. Step 2: Convert to fraction form
    4,154,919.75/6,220,901.96 = 2,128,800.93/x
  3. Step 3: Cross multiply
    4,154,919.75x = 6,220,901.96 × 2,128,800.93
  4. Step 4: Simplify right side
    4,154,919.75x = 13,243,061,867,242.82
  5. Step 5: Solve for x
    x = 13,243,061,867,242.82/4,154,919.75
  6. Step 6: Final answer
    x = 3,187,320.73

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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.