Home / 1,780,993.64-2,458,035.02-1,127,680.39

Finding the Fourth Proportional to 1,780,993.64, 2,458,035.02 and 1,127,680.39

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Solution

The fourth proportional to 1,780,993.64, 2,458,035.02 and 1,127,680.39 is: 1,556,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,993.64 : 2,458,035.02 = 1,127,680.39 : x
  2. Step 2: Convert to fraction form
    1,780,993.64/2,458,035.02 = 1,127,680.39/x
  3. Step 3: Cross multiply
    1,780,993.64x = 2,458,035.02 × 1,127,680.39
  4. Step 4: Simplify right side
    1,780,993.64x = 2,771,877,893,144.01
  5. Step 5: Solve for x
    x = 2,771,877,893,144.01/1,780,993.64
  6. Step 6: Final answer
    x = 1,556,365.97

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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.