Home / 2,646,000.40-3,964,918.20-1,968,905.20

Finding the Fourth Proportional to 2,646,000.40, 3,964,918.20 and 1,968,905.20

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Solution

The fourth proportional to 2,646,000.40, 3,964,918.20 and 1,968,905.20 is: 2,950,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,000.40 : 3,964,918.20 = 1,968,905.20 : x
  2. Step 2: Convert to fraction form
    2,646,000.40/3,964,918.20 = 1,968,905.20/x
  3. Step 3: Cross multiply
    2,646,000.40x = 3,964,918.20 × 1,968,905.20
  4. Step 4: Simplify right side
    2,646,000.40x = 7,806,548,061,554.64
  5. Step 5: Solve for x
    x = 7,806,548,061,554.64/2,646,000.40
  6. Step 6: Final answer
    x = 2,950,320.06

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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.