Home / 3,102,115.22-4,280,857.49-1,725,429.40

Finding the Fourth Proportional to 3,102,115.22, 4,280,857.49 and 1,725,429.40

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Solution

The fourth proportional to 3,102,115.22, 4,280,857.49 and 1,725,429.40 is: 2,381,058.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,115.22 : 4,280,857.49 = 1,725,429.40 : x
  2. Step 2: Convert to fraction form
    3,102,115.22/4,280,857.49 = 1,725,429.40/x
  3. Step 3: Cross multiply
    3,102,115.22x = 4,280,857.49 × 1,725,429.40
  4. Step 4: Simplify right side
    3,102,115.22x = 7,386,317,364,067.64
  5. Step 5: Solve for x
    x = 7,386,317,364,067.64/3,102,115.22
  6. Step 6: Final answer
    x = 2,381,058.36

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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.