Home / 1,851,577.30-2,777,345.90-1,405,040.50

Finding the Fourth Proportional to 1,851,577.30, 2,777,345.90 and 1,405,040.50

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Solution

The fourth proportional to 1,851,577.30, 2,777,345.90 and 1,405,040.50 is: 2,107,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,577.30 : 2,777,345.90 = 1,405,040.50 : x
  2. Step 2: Convert to fraction form
    1,851,577.30/2,777,345.90 = 1,405,040.50/x
  3. Step 3: Cross multiply
    1,851,577.30x = 2,777,345.90 × 1,405,040.50
  4. Step 4: Simplify right side
    1,851,577.30x = 3,902,283,451,097.02
  5. Step 5: Solve for x
    x = 3,902,283,451,097.02/1,851,577.30
  6. Step 6: Final answer
    x = 2,107,545.53

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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.