Home / 2,674,119.47-4,010,784.64-780,352.43

Finding the Fourth Proportional to 2,674,119.47, 4,010,784.64 and 780,352.43

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Solution

The fourth proportional to 2,674,119.47, 4,010,784.64 and 780,352.43 is: 1,170,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,119.47 : 4,010,784.64 = 780,352.43 : x
  2. Step 2: Convert to fraction form
    2,674,119.47/4,010,784.64 = 780,352.43/x
  3. Step 3: Cross multiply
    2,674,119.47x = 4,010,784.64 × 780,352.43
  4. Step 4: Simplify right side
    2,674,119.47x = 3,129,825,518,025.87
  5. Step 5: Solve for x
    x = 3,129,825,518,025.87/2,674,119.47
  6. Step 6: Final answer
    x = 1,170,413.50

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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.