Home / 2,087,762.50-3,131,643.75-511,826.50

Finding the Fourth Proportional to 2,087,762.50, 3,131,643.75 and 511,826.50

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Solution

The fourth proportional to 2,087,762.50, 3,131,643.75 and 511,826.50 is: 767,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,762.50 : 3,131,643.75 = 511,826.50 : x
  2. Step 2: Convert to fraction form
    2,087,762.50/3,131,643.75 = 511,826.50/x
  3. Step 3: Cross multiply
    2,087,762.50x = 3,131,643.75 × 511,826.50
  4. Step 4: Simplify right side
    2,087,762.50x = 1,602,858,259,809.38
  5. Step 5: Solve for x
    x = 1,602,858,259,809.38/2,087,762.50
  6. Step 6: Final answer
    x = 767,739.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.