Home / 3,876,069.36-5,348,975.76-2,157,595.86

Finding the Fourth Proportional to 3,876,069.36, 5,348,975.76 and 2,157,595.86

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Solution

The fourth proportional to 3,876,069.36, 5,348,975.76 and 2,157,595.86 is: 2,977,482.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876,069.36 : 5,348,975.76 = 2,157,595.86 : x
  2. Step 2: Convert to fraction form
    3,876,069.36/5,348,975.76 = 2,157,595.86/x
  3. Step 3: Cross multiply
    3,876,069.36x = 5,348,975.76 × 2,157,595.86
  4. Step 4: Simplify right side
    3,876,069.36x = 11,540,927,955,016.35
  5. Step 5: Solve for x
    x = 11,540,927,955,016.35/3,876,069.36
  6. Step 6: Final answer
    x = 2,977,482.31

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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.