Home / 1,931,469.72-2,900,048.63-1,080,209.19

Finding the Fourth Proportional to 1,931,469.72, 2,900,048.63 and 1,080,209.19

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Solution

The fourth proportional to 1,931,469.72, 2,900,048.63 and 1,080,209.19 is: 1,621,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,469.72 : 2,900,048.63 = 1,080,209.19 : x
  2. Step 2: Convert to fraction form
    1,931,469.72/2,900,048.63 = 1,080,209.19/x
  3. Step 3: Cross multiply
    1,931,469.72x = 2,900,048.63 × 1,080,209.19
  4. Step 4: Simplify right side
    1,931,469.72x = 3,132,659,179,649.94
  5. Step 5: Solve for x
    x = 3,132,659,179,649.94/1,931,469.72
  6. Step 6: Final answer
    x = 1,621,904.37

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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.