Home / 3,623,443.45-5,000,368.20-1,991,955.76

Finding the Fourth Proportional to 3,623,443.45, 5,000,368.20 and 1,991,955.76

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Solution

The fourth proportional to 3,623,443.45, 5,000,368.20 and 1,991,955.76 is: 2,748,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623,443.45 : 5,000,368.20 = 1,991,955.76 : x
  2. Step 2: Convert to fraction form
    3,623,443.45/5,000,368.20 = 1,991,955.76/x
  3. Step 3: Cross multiply
    3,623,443.45x = 5,000,368.20 × 1,991,955.76
  4. Step 4: Simplify right side
    3,623,443.45x = 9,960,512,238,110.83
  5. Step 5: Solve for x
    x = 9,960,512,238,110.83/3,623,443.45
  6. Step 6: Final answer
    x = 2,748,907.88

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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.