Home / 2,590,577.40-3,885,866.10-2,117,796.60

Finding the Fourth Proportional to 2,590,577.40, 3,885,866.10 and 2,117,796.60

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Solution

The fourth proportional to 2,590,577.40, 3,885,866.10 and 2,117,796.60 is: 3,176,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,577.40 : 3,885,866.10 = 2,117,796.60 : x
  2. Step 2: Convert to fraction form
    2,590,577.40/3,885,866.10 = 2,117,796.60/x
  3. Step 3: Cross multiply
    2,590,577.40x = 3,885,866.10 × 2,117,796.60
  4. Step 4: Simplify right side
    2,590,577.40x = 8,229,474,014,635.26
  5. Step 5: Solve for x
    x = 8,229,474,014,635.26/2,590,577.40
  6. Step 6: Final answer
    x = 3,176,694.90

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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.