Home / 1,960,807.08-2,705,854.80-1,089,638.85

Finding the Fourth Proportional to 1,960,807.08, 2,705,854.80 and 1,089,638.85

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Solution

The fourth proportional to 1,960,807.08, 2,705,854.80 and 1,089,638.85 is: 1,503,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,960,807.08 : 2,705,854.80 = 1,089,638.85 : x
  2. Step 2: Convert to fraction form
    1,960,807.08/2,705,854.80 = 1,089,638.85/x
  3. Step 3: Cross multiply
    1,960,807.08x = 2,705,854.80 × 1,089,638.85
  4. Step 4: Simplify right side
    1,960,807.08x = 2,948,404,512,538.98
  5. Step 5: Solve for x
    x = 2,948,404,512,538.98/1,960,807.08
  6. Step 6: Final answer
    x = 1,503,668.84

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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.