Home / 2,637,631.80-3,956,404.77-840,491.01

Finding the Fourth Proportional to 2,637,631.80, 3,956,404.77 and 840,491.01

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Solution

The fourth proportional to 2,637,631.80, 3,956,404.77 and 840,491.01 is: 1,260,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,631.80 : 3,956,404.77 = 840,491.01 : x
  2. Step 2: Convert to fraction form
    2,637,631.80/3,956,404.77 = 840,491.01/x
  3. Step 3: Cross multiply
    2,637,631.80x = 3,956,404.77 × 840,491.01
  4. Step 4: Simplify right side
    2,637,631.80x = 3,325,322,641,106.12
  5. Step 5: Solve for x
    x = 3,325,322,641,106.12/2,637,631.80
  6. Step 6: Final answer
    x = 1,260,722.84

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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.