Home / 2,129,516.16-2,938,801.84-1,162,720

Finding the Fourth Proportional to 2,129,516.16, 2,938,801.84 and 1,162,720

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Solution

The fourth proportional to 2,129,516.16, 2,938,801.84 and 1,162,720 is: 1,604,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,516.16 : 2,938,801.84 = 1,162,720 : x
  2. Step 2: Convert to fraction form
    2,129,516.16/2,938,801.84 = 1,162,720/x
  3. Step 3: Cross multiply
    2,129,516.16x = 2,938,801.84 × 1,162,720
  4. Step 4: Simplify right side
    2,129,516.16x = 3,417,003,675,404.80
  5. Step 5: Solve for x
    x = 3,417,003,675,404.80/2,129,516.16
  6. Step 6: Final answer
    x = 1,604,591.57

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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.