Home / 2,153,982.56-2,973,002.44-1,338,801.88

Finding the Fourth Proportional to 2,153,982.56, 2,973,002.44 and 1,338,801.88

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Solution

The fourth proportional to 2,153,982.56, 2,973,002.44 and 1,338,801.88 is: 1,847,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153,982.56 : 2,973,002.44 = 1,338,801.88 : x
  2. Step 2: Convert to fraction form
    2,153,982.56/2,973,002.44 = 1,338,801.88/x
  3. Step 3: Cross multiply
    2,153,982.56x = 2,973,002.44 × 1,338,801.88
  4. Step 4: Simplify right side
    2,153,982.56x = 3,980,261,255,916.59
  5. Step 5: Solve for x
    x = 3,980,261,255,916.59/2,153,982.56
  6. Step 6: Final answer
    x = 1,847,861.41

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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.