Home / 2,515,200.60-3,772,800.90-1,811,861.40

Finding the Fourth Proportional to 2,515,200.60, 3,772,800.90 and 1,811,861.40

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Solution

The fourth proportional to 2,515,200.60, 3,772,800.90 and 1,811,861.40 is: 2,717,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515,200.60 : 3,772,800.90 = 1,811,861.40 : x
  2. Step 2: Convert to fraction form
    2,515,200.60/3,772,800.90 = 1,811,861.40/x
  3. Step 3: Cross multiply
    2,515,200.60x = 3,772,800.90 × 1,811,861.40
  4. Step 4: Simplify right side
    2,515,200.60x = 6,835,792,320,595.26
  5. Step 5: Solve for x
    x = 6,835,792,320,595.26/2,515,200.60
  6. Step 6: Final answer
    x = 2,717,792.10

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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.