Home / 4,987,453-6,882,547.56-2,811,977.20

Finding the Fourth Proportional to 4,987,453, 6,882,547.56 and 2,811,977.20

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Solution

The fourth proportional to 4,987,453, 6,882,547.56 and 2,811,977.20 is: 3,880,450.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987,453 : 6,882,547.56 = 2,811,977.20 : x
  2. Step 2: Convert to fraction form
    4,987,453/6,882,547.56 = 2,811,977.20/x
  3. Step 3: Cross multiply
    4,987,453x = 6,882,547.56 × 2,811,977.20
  4. Step 4: Simplify right side
    4,987,453x = 19,353,566,816,635.63
  5. Step 5: Solve for x
    x = 19,353,566,816,635.63/4,987,453
  6. Step 6: Final answer
    x = 3,880,450.97

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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.