Home / 1,969,290.90-2,717,678.37-1,109,803.86

Finding the Fourth Proportional to 1,969,290.90, 2,717,678.37 and 1,109,803.86

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Solution

The fourth proportional to 1,969,290.90, 2,717,678.37 and 1,109,803.86 is: 1,531,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,290.90 : 2,717,678.37 = 1,109,803.86 : x
  2. Step 2: Convert to fraction form
    1,969,290.90/2,717,678.37 = 1,109,803.86/x
  3. Step 3: Cross multiply
    1,969,290.90x = 2,717,678.37 × 1,109,803.86
  4. Step 4: Simplify right side
    1,969,290.90x = 3,016,089,945,264.51
  5. Step 5: Solve for x
    x = 3,016,089,945,264.51/1,969,290.90
  6. Step 6: Final answer
    x = 1,531,561.41

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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.