Home / 1,851,576.80-2,777,345.15-1,405,040.00

Finding the Fourth Proportional to 1,851,576.80, 2,777,345.15 and 1,405,040.00

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Solution

The fourth proportional to 1,851,576.80, 2,777,345.15 and 1,405,040.00 is: 2,107,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,576.80 : 2,777,345.15 = 1,405,040.00 : x
  2. Step 2: Convert to fraction form
    1,851,576.80/2,777,345.15 = 1,405,040.00/x
  3. Step 3: Cross multiply
    1,851,576.80x = 2,777,345.15 × 1,405,040.00
  4. Step 4: Simplify right side
    1,851,576.80x = 3,902,281,008,644.08
  5. Step 5: Solve for x
    x = 3,902,281,008,644.08/1,851,576.80
  6. Step 6: Final answer
    x = 2,107,544.78

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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.