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Finding the Fourth Proportional to 1,993,904.16, 2,751,598.92 and 1,134,464.40

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Solution

The fourth proportional to 1,993,904.16, 2,751,598.92 and 1,134,464.40 is: 1,565,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,904.16 : 2,751,598.92 = 1,134,464.40 : x
  2. Step 2: Convert to fraction form
    1,993,904.16/2,751,598.92 = 1,134,464.40/x
  3. Step 3: Cross multiply
    1,993,904.16x = 2,751,598.92 × 1,134,464.40
  4. Step 4: Simplify right side
    1,993,904.16x = 3,121,591,017,818.45
  5. Step 5: Solve for x
    x = 3,121,591,017,818.45/1,993,904.16
  6. Step 6: Final answer
    x = 1,565,567.23

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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.