Home / 1,960,807.76-2,705,980.34-1,089,679.17

Finding the Fourth Proportional to 1,960,807.76, 2,705,980.34 and 1,089,679.17

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Solution

The fourth proportional to 1,960,807.76, 2,705,980.34 and 1,089,679.17 is: 1,503,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,807.76 : 2,705,980.34 = 1,089,679.17 : x
  2. Step 2: Convert to fraction form
    1,960,807.76/2,705,980.34 = 1,089,679.17/x
  3. Step 3: Cross multiply
    1,960,807.76x = 2,705,980.34 × 1,089,679.17
  4. Step 4: Simplify right side
    1,960,807.76x = 2,948,650,413,651.72
  5. Step 5: Solve for x
    x = 2,948,650,413,651.72/1,960,807.76
  6. Step 6: Final answer
    x = 1,503,793.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.