Home / 2,839,660.40-3,918,890.04-1,550,620.40

Finding the Fourth Proportional to 2,839,660.40, 3,918,890.04 and 1,550,620.40

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Solution

The fourth proportional to 2,839,660.40, 3,918,890.04 and 1,550,620.40 is: 2,139,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839,660.40 : 3,918,890.04 = 1,550,620.40 : x
  2. Step 2: Convert to fraction form
    2,839,660.40/3,918,890.04 = 1,550,620.40/x
  3. Step 3: Cross multiply
    2,839,660.40x = 3,918,890.04 × 1,550,620.40
  4. Step 4: Simplify right side
    2,839,660.40x = 6,076,710,841,380.82
  5. Step 5: Solve for x
    x = 6,076,710,841,380.82/2,839,660.40
  6. Step 6: Final answer
    x = 2,139,942.80

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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.