Home / 3,855,352.80-5,320,417.68-2,136,501.84

Finding the Fourth Proportional to 3,855,352.80, 5,320,417.68 and 2,136,501.84

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Solution

The fourth proportional to 3,855,352.80, 5,320,417.68 and 2,136,501.84 is: 2,948,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,352.80 : 5,320,417.68 = 2,136,501.84 : x
  2. Step 2: Convert to fraction form
    3,855,352.80/5,320,417.68 = 2,136,501.84/x
  3. Step 3: Cross multiply
    3,855,352.80x = 5,320,417.68 × 2,136,501.84
  4. Step 4: Simplify right side
    3,855,352.80x = 11,367,082,162,888.53
  5. Step 5: Solve for x
    x = 11,367,082,162,888.53/3,855,352.80
  6. Step 6: Final answer
    x = 2,948,389.62

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1.5x scale

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.