Home / 1,999,031.23-2,998,544.61-651,191.63

Finding the Fourth Proportional to 1,999,031.23, 2,998,544.61 and 651,191.63

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Solution

The fourth proportional to 1,999,031.23, 2,998,544.61 and 651,191.63 is: 976,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,031.23 : 2,998,544.61 = 651,191.63 : x
  2. Step 2: Convert to fraction form
    1,999,031.23/2,998,544.61 = 651,191.63/x
  3. Step 3: Cross multiply
    1,999,031.23x = 2,998,544.61 × 651,191.63
  4. Step 4: Simplify right side
    1,999,031.23x = 1,952,627,152,213.61
  5. Step 5: Solve for x
    x = 1,952,627,152,213.61/1,999,031.23
  6. Step 6: Final answer
    x = 976,786.72

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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.