Home / 3,913,855.65-5,401,159.92-2,194,939.26

Finding the Fourth Proportional to 3,913,855.65, 5,401,159.92 and 2,194,939.26

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Solution

The fourth proportional to 3,913,855.65, 5,401,159.92 and 2,194,939.26 is: 3,029,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,855.65 : 5,401,159.92 = 2,194,939.26 : x
  2. Step 2: Convert to fraction form
    3,913,855.65/5,401,159.92 = 2,194,939.26/x
  3. Step 3: Cross multiply
    3,913,855.65x = 5,401,159.92 × 2,194,939.26
  4. Step 4: Simplify right side
    3,913,855.65x = 11,855,217,957,946.46
  5. Step 5: Solve for x
    x = 11,855,217,957,946.46/3,913,855.65
  6. Step 6: Final answer
    x = 3,029,038.12

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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.