Home / 3,143,300.94-4,714,916.85-1,881,480.78

Finding the Fourth Proportional to 3,143,300.94, 4,714,916.85 and 1,881,480.78

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Solution

The fourth proportional to 3,143,300.94, 4,714,916.85 and 1,881,480.78 is: 2,822,200.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,300.94 : 4,714,916.85 = 1,881,480.78 : x
  2. Step 2: Convert to fraction form
    3,143,300.94/4,714,916.85 = 1,881,480.78/x
  3. Step 3: Cross multiply
    3,143,300.94x = 4,714,916.85 × 1,881,480.78
  4. Step 4: Simplify right side
    3,143,300.94x = 8,871,025,432,573.14
  5. Step 5: Solve for x
    x = 8,871,025,432,573.14/3,143,300.94
  6. Step 6: Final answer
    x = 2,822,200.48

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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.