Home / 1,778,279.73-2,454,085.53-1,089,818.57

Finding the Fourth Proportional to 1,778,279.73, 2,454,085.53 and 1,089,818.57

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Solution

The fourth proportional to 1,778,279.73, 2,454,085.53 and 1,089,818.57 is: 1,503,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,279.73 : 2,454,085.53 = 1,089,818.57 : x
  2. Step 2: Convert to fraction form
    1,778,279.73/2,454,085.53 = 1,089,818.57/x
  3. Step 3: Cross multiply
    1,778,279.73x = 2,454,085.53 × 1,089,818.57
  4. Step 4: Simplify right side
    1,778,279.73x = 2,674,507,970,691.86
  5. Step 5: Solve for x
    x = 2,674,507,970,691.86/1,778,279.73
  6. Step 6: Final answer
    x = 1,503,986.09

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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.