Home / 3,102,115.72-4,280,858.18-1,725,429.90

Finding the Fourth Proportional to 3,102,115.72, 4,280,858.18 and 1,725,429.90

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Solution

The fourth proportional to 3,102,115.72, 4,280,858.18 and 1,725,429.90 is: 2,381,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,115.72 : 4,280,858.18 = 1,725,429.90 : x
  2. Step 2: Convert to fraction form
    3,102,115.72/4,280,858.18 = 1,725,429.90/x
  3. Step 3: Cross multiply
    3,102,115.72x = 4,280,858.18 × 1,725,429.90
  4. Step 4: Simplify right side
    3,102,115.72x = 7,386,320,701,431.58
  5. Step 5: Solve for x
    x = 7,386,320,701,431.58/3,102,115.72
  6. Step 6: Final answer
    x = 2,381,059.05

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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.