Home / 2,221,117.11-3,331,878.98-623,669.43

Finding the Fourth Proportional to 2,221,117.11, 3,331,878.98 and 623,669.43

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Solution

The fourth proportional to 2,221,117.11, 3,331,878.98 and 623,669.43 is: 935,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,117.11 : 3,331,878.98 = 623,669.43 : x
  2. Step 2: Convert to fraction form
    2,221,117.11/3,331,878.98 = 623,669.43/x
  3. Step 3: Cross multiply
    2,221,117.11x = 3,331,878.98 × 623,669.43
  4. Step 4: Simplify right side
    2,221,117.11x = 2,077,991,061,167.23
  5. Step 5: Solve for x
    x = 2,077,991,061,167.23/2,221,117.11
  6. Step 6: Final answer
    x = 935,561.23

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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.