Home / 1,997,615.12-2,756,033.64-1,137,565.52

Finding the Fourth Proportional to 1,997,615.12, 2,756,033.64 and 1,137,565.52

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Solution

The fourth proportional to 1,997,615.12, 2,756,033.64 and 1,137,565.52 is: 1,569,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,615.12 : 2,756,033.64 = 1,137,565.52 : x
  2. Step 2: Convert to fraction form
    1,997,615.12/2,756,033.64 = 1,137,565.52/x
  3. Step 3: Cross multiply
    1,997,615.12x = 2,756,033.64 × 1,137,565.52
  4. Step 4: Simplify right side
    1,997,615.12x = 3,135,168,840,824.09
  5. Step 5: Solve for x
    x = 3,135,168,840,824.09/1,997,615.12
  6. Step 6: Final answer
    x = 1,569,455.90

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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.