Home / 3,209,634.86-4,814,403.68-780,810.98

Finding the Fourth Proportional to 3,209,634.86, 4,814,403.68 and 780,810.98

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Solution

The fourth proportional to 3,209,634.86, 4,814,403.68 and 780,810.98 is: 1,171,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,634.86 : 4,814,403.68 = 780,810.98 : x
  2. Step 2: Convert to fraction form
    3,209,634.86/4,814,403.68 = 780,810.98/x
  3. Step 3: Cross multiply
    3,209,634.86x = 4,814,403.68 × 780,810.98
  4. Step 4: Simplify right side
    3,209,634.86x = 3,759,139,233,376.42
  5. Step 5: Solve for x
    x = 3,759,139,233,376.42/3,209,634.86
  6. Step 6: Final answer
    x = 1,171,204.64

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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.