Home / 1,948,874.16-2,689,457.13-1,089,470.64

Finding the Fourth Proportional to 1,948,874.16, 2,689,457.13 and 1,089,470.64

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Solution

The fourth proportional to 1,948,874.16, 2,689,457.13 and 1,089,470.64 is: 1,503,475.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,874.16 : 2,689,457.13 = 1,089,470.64 : x
  2. Step 2: Convert to fraction form
    1,948,874.16/2,689,457.13 = 1,089,470.64/x
  3. Step 3: Cross multiply
    1,948,874.16x = 2,689,457.13 × 1,089,470.64
  4. Step 4: Simplify right side
    1,948,874.16x = 2,930,084,580,673.66
  5. Step 5: Solve for x
    x = 2,930,084,580,673.66/1,948,874.16
  6. Step 6: Final answer
    x = 1,503,475.51

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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.