Home / 4,114,409.51-6,172,020.25-1,418,379.80

Finding the Fourth Proportional to 4,114,409.51, 6,172,020.25 and 1,418,379.80

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Solution

The fourth proportional to 4,114,409.51, 6,172,020.25 and 1,418,379.80 is: 2,127,709.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114,409.51 : 6,172,020.25 = 1,418,379.80 : x
  2. Step 2: Convert to fraction form
    4,114,409.51/6,172,020.25 = 1,418,379.80/x
  3. Step 3: Cross multiply
    4,114,409.51x = 6,172,020.25 × 1,418,379.80
  4. Step 4: Simplify right side
    4,114,409.51x = 8,754,268,813,384.90
  5. Step 5: Solve for x
    x = 8,754,268,813,384.90/4,114,409.51
  6. Step 6: Final answer
    x = 2,127,709.65

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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.