Home / 2,829,749.31-4,240,838.03-1,388,224.71

Finding the Fourth Proportional to 2,829,749.31, 4,240,838.03 and 1,388,224.71

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Solution

The fourth proportional to 2,829,749.31, 4,240,838.03 and 1,388,224.71 is: 2,080,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829,749.31 : 4,240,838.03 = 1,388,224.71 : x
  2. Step 2: Convert to fraction form
    2,829,749.31/4,240,838.03 = 1,388,224.71/x
  3. Step 3: Cross multiply
    2,829,749.31x = 4,240,838.03 × 1,388,224.71
  4. Step 4: Simplify right side
    2,829,749.31x = 5,887,236,137,412.60
  5. Step 5: Solve for x
    x = 5,887,236,137,412.60/2,829,749.31
  6. Step 6: Final answer
    x = 2,080,479.75

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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.