Home / 1,711,141.80-2,566,712.70-1,431,205.80

Finding the Fourth Proportional to 1,711,141.80, 2,566,712.70 and 1,431,205.80

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Solution

The fourth proportional to 1,711,141.80, 2,566,712.70 and 1,431,205.80 is: 2,146,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,141.80 : 2,566,712.70 = 1,431,205.80 : x
  2. Step 2: Convert to fraction form
    1,711,141.80/2,566,712.70 = 1,431,205.80/x
  3. Step 3: Cross multiply
    1,711,141.80x = 2,566,712.70 × 1,431,205.80
  4. Step 4: Simplify right side
    1,711,141.80x = 3,673,494,103,173.66
  5. Step 5: Solve for x
    x = 3,673,494,103,173.66/1,711,141.80
  6. Step 6: Final answer
    x = 2,146,808.70

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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.