Home / 7,118,897.22-10,678,265.64-1,727,606.88

Finding the Fourth Proportional to 7,118,897.22, 10,678,265.64 and 1,727,606.88

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Solution

The fourth proportional to 7,118,897.22, 10,678,265.64 and 1,727,606.88 is: 2,591,390.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,897.22 : 10,678,265.64 = 1,727,606.88 : x
  2. Step 2: Convert to fraction form
    7,118,897.22/10,678,265.64 = 1,727,606.88/x
  3. Step 3: Cross multiply
    7,118,897.22x = 10,678,265.64 × 1,727,606.88
  4. Step 4: Simplify right side
    7,118,897.22x = 18,447,845,186,131.60
  5. Step 5: Solve for x
    x = 18,447,845,186,131.60/7,118,897.22
  6. Step 6: Final answer
    x = 2,591,390.86

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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.