Home / 2,029,894.40-3,045,619.20-1,998,012.80

Finding the Fourth Proportional to 2,029,894.40, 3,045,619.20 and 1,998,012.80

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Solution

The fourth proportional to 2,029,894.40, 3,045,619.20 and 1,998,012.80 is: 2,997,784.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,894.40 : 3,045,619.20 = 1,998,012.80 : x
  2. Step 2: Convert to fraction form
    2,029,894.40/3,045,619.20 = 1,998,012.80/x
  3. Step 3: Cross multiply
    2,029,894.40x = 3,045,619.20 × 1,998,012.80
  4. Step 4: Simplify right side
    2,029,894.40x = 6,085,186,145,525.76
  5. Step 5: Solve for x
    x = 6,085,186,145,525.76/2,029,894.40
  6. Step 6: Final answer
    x = 2,997,784.59

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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.