Home / 2,912,252.40-4,368,378.60-1,778,511.60

Finding the Fourth Proportional to 2,912,252.40, 4,368,378.60 and 1,778,511.60

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Solution

The fourth proportional to 2,912,252.40, 4,368,378.60 and 1,778,511.60 is: 2,667,767.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,252.40 : 4,368,378.60 = 1,778,511.60 : x
  2. Step 2: Convert to fraction form
    2,912,252.40/4,368,378.60 = 1,778,511.60/x
  3. Step 3: Cross multiply
    2,912,252.40x = 4,368,378.60 × 1,778,511.60
  4. Step 4: Simplify right side
    2,912,252.40x = 7,769,212,013,291.76
  5. Step 5: Solve for x
    x = 7,769,212,013,291.76/2,912,252.40
  6. Step 6: Final answer
    x = 2,667,767.40

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Similar ratio
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1.5x scale

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.