Home / 2,768,375.20-4,152,562.80-2,637,738.40

Finding the Fourth Proportional to 2,768,375.20, 4,152,562.80 and 2,637,738.40

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Solution

The fourth proportional to 2,768,375.20, 4,152,562.80 and 2,637,738.40 is: 3,956,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,375.20 : 4,152,562.80 = 2,637,738.40 : x
  2. Step 2: Convert to fraction form
    2,768,375.20/4,152,562.80 = 2,637,738.40/x
  3. Step 3: Cross multiply
    2,768,375.20x = 4,152,562.80 × 2,637,738.40
  4. Step 4: Simplify right side
    2,768,375.20x = 10,953,374,355,971.52
  5. Step 5: Solve for x
    x = 10,953,374,355,971.52/2,768,375.20
  6. Step 6: Final answer
    x = 3,956,607.60

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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.