Home / 3,913,855.15-5,401,159.23-2,194,938.76

Finding the Fourth Proportional to 3,913,855.15, 5,401,159.23 and 2,194,938.76

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Solution

The fourth proportional to 3,913,855.15, 5,401,159.23 and 2,194,938.76 is: 3,029,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,855.15 : 5,401,159.23 = 2,194,938.76 : x
  2. Step 2: Convert to fraction form
    3,913,855.15/5,401,159.23 = 2,194,938.76/x
  3. Step 3: Cross multiply
    3,913,855.15x = 5,401,159.23 × 2,194,938.76
  4. Step 4: Simplify right side
    3,913,855.15x = 11,855,213,742,858.75
  5. Step 5: Solve for x
    x = 11,855,213,742,858.75/3,913,855.15
  6. Step 6: Final answer
    x = 3,029,037.43

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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.