Home / 4,449,421.49-6,666,504.30-2,987,728.10

Finding the Fourth Proportional to 4,449,421.49, 6,666,504.30 and 2,987,728.10

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Solution

The fourth proportional to 4,449,421.49, 6,666,504.30 and 2,987,728.10 is: 4,476,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449,421.49 : 6,666,504.30 = 2,987,728.10 : x
  2. Step 2: Convert to fraction form
    4,449,421.49/6,666,504.30 = 2,987,728.10/x
  3. Step 3: Cross multiply
    4,449,421.49x = 6,666,504.30 × 2,987,728.10
  4. Step 4: Simplify right side
    4,449,421.49x = 19,917,702,225,880.83
  5. Step 5: Solve for x
    x = 19,917,702,225,880.83/4,449,421.49
  6. Step 6: Final answer
    x = 4,476,470.09

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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.