Home / 2,200,998.60-3,037,409.10-1,329,712.20

Finding the Fourth Proportional to 2,200,998.60, 3,037,409.10 and 1,329,712.20

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Solution

The fourth proportional to 2,200,998.60, 3,037,409.10 and 1,329,712.20 is: 1,835,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,998.60 : 3,037,409.10 = 1,329,712.20 : x
  2. Step 2: Convert to fraction form
    2,200,998.60/3,037,409.10 = 1,329,712.20/x
  3. Step 3: Cross multiply
    2,200,998.60x = 3,037,409.10 × 1,329,712.20
  4. Step 4: Simplify right side
    2,200,998.60x = 4,038,879,936,661.02
  5. Step 5: Solve for x
    x = 4,038,879,936,661.02/2,200,998.60
  6. Step 6: Final answer
    x = 1,835,021.58

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1.5x scale

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.