Home / 2,811,679.40-4,211,784.70-1,743,442.60

Finding the Fourth Proportional to 2,811,679.40, 4,211,784.70 and 1,743,442.60

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Solution

The fourth proportional to 2,811,679.40, 4,211,784.70 and 1,743,442.60 is: 2,611,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,679.40 : 4,211,784.70 = 1,743,442.60 : x
  2. Step 2: Convert to fraction form
    2,811,679.40/4,211,784.70 = 1,743,442.60/x
  3. Step 3: Cross multiply
    2,811,679.40x = 4,211,784.70 × 1,743,442.60
  4. Step 4: Simplify right side
    2,811,679.40x = 7,343,004,868,008.22
  5. Step 5: Solve for x
    x = 7,343,004,868,008.22/2,811,679.40
  6. Step 6: Final answer
    x = 2,611,608.16

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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.