Home / 2,205,428.80-3,306,393.60-1,208,156.80

Finding the Fourth Proportional to 2,205,428.80, 3,306,393.60 and 1,208,156.80

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Solution

The fourth proportional to 2,205,428.80, 3,306,393.60 and 1,208,156.80 is: 1,811,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,428.80 : 3,306,393.60 = 1,208,156.80 : x
  2. Step 2: Convert to fraction form
    2,205,428.80/3,306,393.60 = 1,208,156.80/x
  3. Step 3: Cross multiply
    2,205,428.80x = 3,306,393.60 × 1,208,156.80
  4. Step 4: Simplify right side
    2,205,428.80x = 3,994,641,911,316.48
  5. Step 5: Solve for x
    x = 3,994,641,911,316.48/2,205,428.80
  6. Step 6: Final answer
    x = 1,811,276.75

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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.