Home / 5,209,072.40-7,810,984.20-3,079,809.20

Finding the Fourth Proportional to 5,209,072.40, 7,810,984.20 and 3,079,809.20

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Solution

The fourth proportional to 5,209,072.40, 7,810,984.20 and 3,079,809.20 is: 4,618,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,072.40 : 7,810,984.20 = 3,079,809.20 : x
  2. Step 2: Convert to fraction form
    5,209,072.40/7,810,984.20 = 3,079,809.20/x
  3. Step 3: Cross multiply
    5,209,072.40x = 7,810,984.20 × 3,079,809.20
  4. Step 4: Simplify right side
    5,209,072.40x = 24,056,341,000,214.64
  5. Step 5: Solve for x
    x = 24,056,341,000,214.64/5,209,072.40
  6. Step 6: Final answer
    x = 4,618,162.15

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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.