Home / 2,145,923.87-3,218,386.43-798,720.93

Finding the Fourth Proportional to 2,145,923.87, 3,218,386.43 and 798,720.93

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Solution

The fourth proportional to 2,145,923.87, 3,218,386.43 and 798,720.93 is: 1,197,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,923.87 : 3,218,386.43 = 798,720.93 : x
  2. Step 2: Convert to fraction form
    2,145,923.87/3,218,386.43 = 798,720.93/x
  3. Step 3: Cross multiply
    2,145,923.87x = 3,218,386.43 × 798,720.93
  4. Step 4: Simplify right side
    2,145,923.87x = 2,570,592,602,468.98
  5. Step 5: Solve for x
    x = 2,570,592,602,468.98/2,145,923.87
  6. Step 6: Final answer
    x = 1,197,895.53

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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.