Home / 2,143,750.60-3,212,861.10-1,642,630.60

Finding the Fourth Proportional to 2,143,750.60, 3,212,861.10 and 1,642,630.60

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Solution

The fourth proportional to 2,143,750.60, 3,212,861.10 and 1,642,630.60 is: 2,461,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,750.60 : 3,212,861.10 = 1,642,630.60 : x
  2. Step 2: Convert to fraction form
    2,143,750.60/3,212,861.10 = 1,642,630.60/x
  3. Step 3: Cross multiply
    2,143,750.60x = 3,212,861.10 × 1,642,630.60
  4. Step 4: Simplify right side
    2,143,750.60x = 5,277,543,956,409.66
  5. Step 5: Solve for x
    x = 5,277,543,956,409.66/2,143,750.60
  6. Step 6: Final answer
    x = 2,461,827.40

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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.