Home / 3,210,389.81-4,816,325.86-1,080,421.91

Finding the Fourth Proportional to 3,210,389.81, 4,816,325.86 and 1,080,421.91

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Solution

The fourth proportional to 3,210,389.81, 4,816,325.86 and 1,080,421.91 is: 1,620,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,389.81 : 4,816,325.86 = 1,080,421.91 : x
  2. Step 2: Convert to fraction form
    3,210,389.81/4,816,325.86 = 1,080,421.91/x
  3. Step 3: Cross multiply
    3,210,389.81x = 4,816,325.86 × 1,080,421.91
  4. Step 4: Simplify right side
    3,210,389.81x = 5,203,663,958,060.91
  5. Step 5: Solve for x
    x = 5,203,663,958,060.91/3,210,389.81
  6. Step 6: Final answer
    x = 1,620,882.28

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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.