Home / 2,687,378.77-4,031,043-1,089,561.97

Finding the Fourth Proportional to 2,687,378.77, 4,031,043 and 1,089,561.97

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Solution

The fourth proportional to 2,687,378.77, 4,031,043 and 1,089,561.97 is: 1,634,332.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,378.77 : 4,031,043 = 1,089,561.97 : x
  2. Step 2: Convert to fraction form
    2,687,378.77/4,031,043 = 1,089,561.97/x
  3. Step 3: Cross multiply
    2,687,378.77x = 4,031,043 × 1,089,561.97
  4. Step 4: Simplify right side
    2,687,378.77x = 4,392,071,152,234.71
  5. Step 5: Solve for x
    x = 4,392,071,152,234.71/2,687,378.77
  6. Step 6: Final answer
    x = 1,634,332.76

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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.