Home / 2,010,621.40-3,015,932.10-1,211,491.60

Finding the Fourth Proportional to 2,010,621.40, 3,015,932.10 and 1,211,491.60

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Solution

The fourth proportional to 2,010,621.40, 3,015,932.10 and 1,211,491.60 is: 1,817,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,010,621.40 : 3,015,932.10 = 1,211,491.60 : x
  2. Step 2: Convert to fraction form
    2,010,621.40/3,015,932.10 = 1,211,491.60/x
  3. Step 3: Cross multiply
    2,010,621.40x = 3,015,932.10 × 1,211,491.60
  4. Step 4: Simplify right side
    2,010,621.40x = 3,653,776,405,320.36
  5. Step 5: Solve for x
    x = 3,653,776,405,320.36/2,010,621.40
  6. Step 6: Final answer
    x = 1,817,237.40

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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.