Home / 2,116,086.66-2,921,410.08-1,393,036.26

Finding the Fourth Proportional to 2,116,086.66, 2,921,410.08 and 1,393,036.26

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Solution

The fourth proportional to 2,116,086.66, 2,921,410.08 and 1,393,036.26 is: 1,923,186.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,086.66 : 2,921,410.08 = 1,393,036.26 : x
  2. Step 2: Convert to fraction form
    2,116,086.66/2,921,410.08 = 1,393,036.26/x
  3. Step 3: Cross multiply
    2,116,086.66x = 2,921,410.08 × 1,393,036.26
  4. Step 4: Simplify right side
    2,116,086.66x = 4,069,630,171,769.50
  5. Step 5: Solve for x
    x = 4,069,630,171,769.50/2,116,086.66
  6. Step 6: Final answer
    x = 1,923,186.91

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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.