Home / 3,142,485.96-4,336,508.55-1,920,836.94

Finding the Fourth Proportional to 3,142,485.96, 4,336,508.55 and 1,920,836.94

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Solution

The fourth proportional to 3,142,485.96, 4,336,508.55 and 1,920,836.94 is: 2,650,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142,485.96 : 4,336,508.55 = 1,920,836.94 : x
  2. Step 2: Convert to fraction form
    3,142,485.96/4,336,508.55 = 1,920,836.94/x
  3. Step 3: Cross multiply
    3,142,485.96x = 4,336,508.55 × 1,920,836.94
  4. Step 4: Simplify right side
    3,142,485.96x = 8,329,725,813,465.84
  5. Step 5: Solve for x
    x = 8,329,725,813,465.84/3,142,485.96
  6. Step 6: Final answer
    x = 2,650,680.36

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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.