Home / 1,998,550.31-2,996,745.98-1,036,621.34

Finding the Fourth Proportional to 1,998,550.31, 2,996,745.98 and 1,036,621.34

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Solution

The fourth proportional to 1,998,550.31, 2,996,745.98 and 1,036,621.34 is: 1,554,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,550.31 : 2,996,745.98 = 1,036,621.34 : x
  2. Step 2: Convert to fraction form
    1,998,550.31/2,996,745.98 = 1,036,621.34/x
  3. Step 3: Cross multiply
    1,998,550.31x = 2,996,745.98 × 1,036,621.34
  4. Step 4: Simplify right side
    1,998,550.31x = 3,106,490,833,330.67
  5. Step 5: Solve for x
    x = 3,106,490,833,330.67/1,998,550.31
  6. Step 6: Final answer
    x = 1,554,372.10

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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.