Home / 2,145,880.22-2,961,142.90-1,227,898.94

Finding the Fourth Proportional to 2,145,880.22, 2,961,142.90 and 1,227,898.94

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Solution

The fourth proportional to 2,145,880.22, 2,961,142.90 and 1,227,898.94 is: 1,694,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,880.22 : 2,961,142.90 = 1,227,898.94 : x
  2. Step 2: Convert to fraction form
    2,145,880.22/2,961,142.90 = 1,227,898.94/x
  3. Step 3: Cross multiply
    2,145,880.22x = 2,961,142.90 × 1,227,898.94
  4. Step 4: Simplify right side
    2,145,880.22x = 3,635,984,210,223.06
  5. Step 5: Solve for x
    x = 3,635,984,210,223.06/2,145,880.22
  6. Step 6: Final answer
    x = 1,694,402.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.