Home / 2,010,149.90-2,774,653.36-1,286,945.46

Finding the Fourth Proportional to 2,010,149.90, 2,774,653.36 and 1,286,945.46

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Solution

The fourth proportional to 2,010,149.90, 2,774,653.36 and 1,286,945.46 is: 1,776,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,149.90 : 2,774,653.36 = 1,286,945.46 : x
  2. Step 2: Convert to fraction form
    2,010,149.90/2,774,653.36 = 1,286,945.46/x
  3. Step 3: Cross multiply
    2,010,149.90x = 2,774,653.36 × 1,286,945.46
  4. Step 4: Simplify right side
    2,010,149.90x = 3,570,827,544,725.75
  5. Step 5: Solve for x
    x = 3,570,827,544,725.75/2,010,149.90
  6. Step 6: Final answer
    x = 1,776,398.64

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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.