Home / 3,120,603.60-4,680,905.40-2,763,685.20

Finding the Fourth Proportional to 3,120,603.60, 4,680,905.40 and 2,763,685.20

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Solution

The fourth proportional to 3,120,603.60, 4,680,905.40 and 2,763,685.20 is: 4,145,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,603.60 : 4,680,905.40 = 2,763,685.20 : x
  2. Step 2: Convert to fraction form
    3,120,603.60/4,680,905.40 = 2,763,685.20/x
  3. Step 3: Cross multiply
    3,120,603.60x = 4,680,905.40 × 2,763,685.20
  4. Step 4: Simplify right side
    3,120,603.60x = 12,936,548,976,580.08
  5. Step 5: Solve for x
    x = 12,936,548,976,580.08/3,120,603.60
  6. Step 6: Final answer
    x = 4,145,527.80

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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.