Home / 2,205,451.68-3,043,684.80-1,238,638.92

Finding the Fourth Proportional to 2,205,451.68, 3,043,684.80 and 1,238,638.92

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Solution

The fourth proportional to 2,205,451.68, 3,043,684.80 and 1,238,638.92 is: 1,709,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,451.68 : 3,043,684.80 = 1,238,638.92 : x
  2. Step 2: Convert to fraction form
    2,205,451.68/3,043,684.80 = 1,238,638.92/x
  3. Step 3: Cross multiply
    2,205,451.68x = 3,043,684.80 × 1,238,638.92
  4. Step 4: Simplify right side
    2,205,451.68x = 3,770,026,453,492.42
  5. Step 5: Solve for x
    x = 3,770,026,453,492.42/2,205,451.68
  6. Step 6: Final answer
    x = 1,709,412.40

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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.