Home / 2,345,095.40-3,515,274.94-1,128,885.80

Finding the Fourth Proportional to 2,345,095.40, 3,515,274.94 and 1,128,885.80

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Solution

The fourth proportional to 2,345,095.40, 3,515,274.94 and 1,128,885.80 is: 1,692,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345,095.40 : 3,515,274.94 = 1,128,885.80 : x
  2. Step 2: Convert to fraction form
    2,345,095.40/3,515,274.94 = 1,128,885.80/x
  3. Step 3: Cross multiply
    2,345,095.40x = 3,515,274.94 × 1,128,885.80
  4. Step 4: Simplify right side
    2,345,095.40x = 3,968,343,962,861.85
  5. Step 5: Solve for x
    x = 3,968,343,962,861.85/2,345,095.40
  6. Step 6: Final answer
    x = 1,692,188.71

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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.