Home / 3,240,138.84-4,472,666.28-2,137,395.12

Finding the Fourth Proportional to 3,240,138.84, 4,472,666.28 and 2,137,395.12

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Solution

The fourth proportional to 3,240,138.84, 4,472,666.28 and 2,137,395.12 is: 2,950,446.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240,138.84 : 4,472,666.28 = 2,137,395.12 : x
  2. Step 2: Convert to fraction form
    3,240,138.84/4,472,666.28 = 2,137,395.12/x
  3. Step 3: Cross multiply
    3,240,138.84x = 4,472,666.28 × 2,137,395.12
  4. Step 4: Simplify right side
    3,240,138.84x = 9,559,855,080,260.56
  5. Step 5: Solve for x
    x = 9,559,855,080,260.56/3,240,138.84
  6. Step 6: Final answer
    x = 2,950,446.12

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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.