Home / 2,207,448.50-3,045,594.30-1,289,015.12

Finding the Fourth Proportional to 2,207,448.50, 3,045,594.30 and 1,289,015.12

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Solution

The fourth proportional to 2,207,448.50, 3,045,594.30 and 1,289,015.12 is: 1,778,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,448.50 : 3,045,594.30 = 1,289,015.12 : x
  2. Step 2: Convert to fraction form
    2,207,448.50/3,045,594.30 = 1,289,015.12/x
  3. Step 3: Cross multiply
    2,207,448.50x = 3,045,594.30 × 1,289,015.12
  4. Step 4: Simplify right side
    2,207,448.50x = 3,925,817,086,857.84
  5. Step 5: Solve for x
    x = 3,925,817,086,857.84/2,207,448.50
  6. Step 6: Final answer
    x = 1,778,441.08

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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.