Home / 1,999,600.72-2,999,712.14-651,449.50

Finding the Fourth Proportional to 1,999,600.72, 2,999,712.14 and 651,449.50

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Solution

The fourth proportional to 1,999,600.72, 2,999,712.14 and 651,449.50 is: 977,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,600.72 : 2,999,712.14 = 651,449.50 : x
  2. Step 2: Convert to fraction form
    1,999,600.72/2,999,712.14 = 651,449.50/x
  3. Step 3: Cross multiply
    1,999,600.72x = 2,999,712.14 × 651,449.50
  4. Step 4: Simplify right side
    1,999,600.72x = 1,954,160,973,746.93
  5. Step 5: Solve for x
    x = 1,954,160,973,746.93/1,999,600.72
  6. Step 6: Final answer
    x = 977,275.59

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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.