Home / 3,102,056.95-4,280,777.20-1,725,371.05

Finding the Fourth Proportional to 3,102,056.95, 4,280,777.20 and 1,725,371.05

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Solution

The fourth proportional to 3,102,056.95, 4,280,777.20 and 1,725,371.05 is: 2,380,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,056.95 : 4,280,777.20 = 1,725,371.05 : x
  2. Step 2: Convert to fraction form
    3,102,056.95/4,280,777.20 = 1,725,371.05/x
  3. Step 3: Cross multiply
    3,102,056.95x = 4,280,777.20 × 1,725,371.05
  4. Step 4: Simplify right side
    3,102,056.95x = 7,385,929,052,380.06
  5. Step 5: Solve for x
    x = 7,385,929,052,380.06/3,102,056.95
  6. Step 6: Final answer
    x = 2,380,977.90

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1.5x scale

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.