Home / 1,388,693.90-2,073,813.27-1,373,664.08

Finding the Fourth Proportional to 1,388,693.90, 2,073,813.27 and 1,373,664.08

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Solution

The fourth proportional to 1,388,693.90, 2,073,813.27 and 1,373,664.08 is: 2,051,368.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,693.90 : 2,073,813.27 = 1,373,664.08 : x
  2. Step 2: Convert to fraction form
    1,388,693.90/2,073,813.27 = 1,373,664.08/x
  3. Step 3: Cross multiply
    1,388,693.90x = 2,073,813.27 × 1,373,664.08
  4. Step 4: Simplify right side
    1,388,693.90x = 2,848,722,797,659.64
  5. Step 5: Solve for x
    x = 2,848,722,797,659.64/1,388,693.90
  6. Step 6: Final answer
    x = 2,051,368.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.