Home / 2,660,955.71-3,985,636.32-1,749,108.87

Finding the Fourth Proportional to 2,660,955.71, 3,985,636.32 and 1,749,108.87

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Solution

The fourth proportional to 2,660,955.71, 3,985,636.32 and 1,749,108.87 is: 2,619,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,955.71 : 3,985,636.32 = 1,749,108.87 : x
  2. Step 2: Convert to fraction form
    2,660,955.71/3,985,636.32 = 1,749,108.87/x
  3. Step 3: Cross multiply
    2,660,955.71x = 3,985,636.32 × 1,749,108.87
  4. Step 4: Simplify right side
    2,660,955.71x = 6,971,311,839,906.16
  5. Step 5: Solve for x
    x = 6,971,311,839,906.16/2,660,955.71
  6. Step 6: Final answer
    x = 2,619,852.64

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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.