Home / 3,421,808.40-5,121,653.40-2,669,782.80

Finding the Fourth Proportional to 3,421,808.40, 5,121,653.40 and 2,669,782.80

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Solution

The fourth proportional to 3,421,808.40, 5,121,653.40 and 2,669,782.80 is: 3,996,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421,808.40 : 5,121,653.40 = 2,669,782.80 : x
  2. Step 2: Convert to fraction form
    3,421,808.40/5,121,653.40 = 2,669,782.80/x
  3. Step 3: Cross multiply
    3,421,808.40x = 5,121,653.40 × 2,669,782.80
  4. Step 4: Simplify right side
    3,421,808.40x = 13,673,702,154,881.52
  5. Step 5: Solve for x
    x = 13,673,702,154,881.52/3,421,808.40
  6. Step 6: Final answer
    x = 3,996,045.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.