Home / 2,074,211.70-3,111,317.55-654,411.30

Finding the Fourth Proportional to 2,074,211.70, 3,111,317.55 and 654,411.30

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Solution

The fourth proportional to 2,074,211.70, 3,111,317.55 and 654,411.30 is: 981,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,211.70 : 3,111,317.55 = 654,411.30 : x
  2. Step 2: Convert to fraction form
    2,074,211.70/3,111,317.55 = 654,411.30/x
  3. Step 3: Cross multiply
    2,074,211.70x = 3,111,317.55 × 654,411.30
  4. Step 4: Simplify right side
    2,074,211.70x = 2,036,081,362,608.32
  5. Step 5: Solve for x
    x = 2,036,081,362,608.32/2,074,211.70
  6. Step 6: Final answer
    x = 981,616.95

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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.