Home / 3,609,485.50-4,981,090-1,999,853.50

Finding the Fourth Proportional to 3,609,485.50, 4,981,090 and 1,999,853.50

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Solution

The fourth proportional to 3,609,485.50, 4,981,090 and 1,999,853.50 is: 2,759,797.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609,485.50 : 4,981,090 = 1,999,853.50 : x
  2. Step 2: Convert to fraction form
    3,609,485.50/4,981,090 = 1,999,853.50/x
  3. Step 3: Cross multiply
    3,609,485.50x = 4,981,090 × 1,999,853.50
  4. Step 4: Simplify right side
    3,609,485.50x = 9,961,450,270,315
  5. Step 5: Solve for x
    x = 9,961,450,270,315/3,609,485.50
  6. Step 6: Final answer
    x = 2,759,797.84

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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.