Home / 2,199,328.20-3,298,992.30-1,485,491.40

Finding the Fourth Proportional to 2,199,328.20, 3,298,992.30 and 1,485,491.40

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Solution

The fourth proportional to 2,199,328.20, 3,298,992.30 and 1,485,491.40 is: 2,228,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,328.20 : 3,298,992.30 = 1,485,491.40 : x
  2. Step 2: Convert to fraction form
    2,199,328.20/3,298,992.30 = 1,485,491.40/x
  3. Step 3: Cross multiply
    2,199,328.20x = 3,298,992.30 × 1,485,491.40
  4. Step 4: Simplify right side
    2,199,328.20x = 4,900,624,690,316.22
  5. Step 5: Solve for x
    x = 4,900,624,690,316.22/2,199,328.20
  6. Step 6: Final answer
    x = 2,228,237.10

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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.