Home / 1,755,477.88-2,421,215.49-1,212,522.33

Finding the Fourth Proportional to 1,755,477.88, 2,421,215.49 and 1,212,522.33

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Solution

The fourth proportional to 1,755,477.88, 2,421,215.49 and 1,212,522.33 is: 1,672,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,477.88 : 2,421,215.49 = 1,212,522.33 : x
  2. Step 2: Convert to fraction form
    1,755,477.88/2,421,215.49 = 1,212,522.33/x
  3. Step 3: Cross multiply
    1,755,477.88x = 2,421,215.49 × 1,212,522.33
  4. Step 4: Simplify right side
    1,755,477.88x = 2,935,777,847,366.89
  5. Step 5: Solve for x
    x = 2,935,777,847,366.89/1,755,477.88
  6. Step 6: Final answer
    x = 1,672,352.51

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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.