Home / 2,979,564.15-4,111,782.97-1,621,446.87

Finding the Fourth Proportional to 2,979,564.15, 4,111,782.97 and 1,621,446.87

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Solution

The fourth proportional to 2,979,564.15, 4,111,782.97 and 1,621,446.87 is: 2,237,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,564.15 : 4,111,782.97 = 1,621,446.87 : x
  2. Step 2: Convert to fraction form
    2,979,564.15/4,111,782.97 = 1,621,446.87/x
  3. Step 3: Cross multiply
    2,979,564.15x = 4,111,782.97 × 1,621,446.87
  4. Step 4: Simplify right side
    2,979,564.15x = 6,667,037,626,825.81
  5. Step 5: Solve for x
    x = 6,667,037,626,825.81/2,979,564.15
  6. Step 6: Final answer
    x = 2,237,588.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.