Home / 2,798,561.18-4,198,141.76-776,813.66

Finding the Fourth Proportional to 2,798,561.18, 4,198,141.76 and 776,813.66

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Solution

The fourth proportional to 2,798,561.18, 4,198,141.76 and 776,813.66 is: 1,165,303.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,561.18 : 4,198,141.76 = 776,813.66 : x
  2. Step 2: Convert to fraction form
    2,798,561.18/4,198,141.76 = 776,813.66/x
  3. Step 3: Cross multiply
    2,798,561.18x = 4,198,141.76 × 776,813.66
  4. Step 4: Simplify right side
    2,798,561.18x = 3,261,173,840,909.66
  5. Step 5: Solve for x
    x = 3,261,173,840,909.66/2,798,561.18
  6. Step 6: Final answer
    x = 1,165,303.75

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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.