Home / 3,621,457.87-5,426,869.96-1,821,867.91

Finding the Fourth Proportional to 3,621,457.87, 5,426,869.96 and 1,821,867.91

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Solution

The fourth proportional to 3,621,457.87, 5,426,869.96 and 1,821,867.91 is: 2,730,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,457.87 : 5,426,869.96 = 1,821,867.91 : x
  2. Step 2: Convert to fraction form
    3,621,457.87/5,426,869.96 = 1,821,867.91/x
  3. Step 3: Cross multiply
    3,621,457.87x = 5,426,869.96 × 1,821,867.91
  4. Step 4: Simplify right side
    3,621,457.87x = 9,887,040,220,577.14
  5. Step 5: Solve for x
    x = 9,887,040,220,577.14/3,621,457.87
  6. Step 6: Final answer
    x = 2,730,127.09

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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.