Home / 2,590,847.40-3,886,271.10-2,491,314.60

Finding the Fourth Proportional to 2,590,847.40, 3,886,271.10 and 2,491,314.60

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Solution

The fourth proportional to 2,590,847.40, 3,886,271.10 and 2,491,314.60 is: 3,736,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,847.40 : 3,886,271.10 = 2,491,314.60 : x
  2. Step 2: Convert to fraction form
    2,590,847.40/3,886,271.10 = 2,491,314.60/x
  3. Step 3: Cross multiply
    2,590,847.40x = 3,886,271.10 × 2,491,314.60
  4. Step 4: Simplify right side
    2,590,847.40x = 9,681,923,930,988.06
  5. Step 5: Solve for x
    x = 9,681,923,930,988.06/2,590,847.40
  6. Step 6: Final answer
    x = 3,736,971.90

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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.