Home / 2,617,910.76-3,926,871.54-724,657.80

Finding the Fourth Proportional to 2,617,910.76, 3,926,871.54 and 724,657.80

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Solution

The fourth proportional to 2,617,910.76, 3,926,871.54 and 724,657.80 is: 1,086,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,910.76 : 3,926,871.54 = 724,657.80 : x
  2. Step 2: Convert to fraction form
    2,617,910.76/3,926,871.54 = 724,657.80/x
  3. Step 3: Cross multiply
    2,617,910.76x = 3,926,871.54 × 724,657.80
  4. Step 4: Simplify right side
    2,617,910.76x = 2,845,638,091,059.01
  5. Step 5: Solve for x
    x = 2,845,638,091,059.01/2,617,910.76
  6. Step 6: Final answer
    x = 1,086,988.19

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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.