Home / 2,129,455.17-2,938,523.37-1,162,391.11

Finding the Fourth Proportional to 2,129,455.17, 2,938,523.37 and 1,162,391.11

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Solution

The fourth proportional to 2,129,455.17, 2,938,523.37 and 1,162,391.11 is: 1,604,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,455.17 : 2,938,523.37 = 1,162,391.11 : x
  2. Step 2: Convert to fraction form
    2,129,455.17/2,938,523.37 = 1,162,391.11/x
  3. Step 3: Cross multiply
    2,129,455.17x = 2,938,523.37 × 1,162,391.11
  4. Step 4: Simplify right side
    2,129,455.17x = 3,415,713,430,109.97
  5. Step 5: Solve for x
    x = 3,415,713,430,109.97/2,129,455.17
  6. Step 6: Final answer
    x = 1,604,031.62

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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.