Home / 2,157,769.48-2,977,707.24-1,190,899.76

Finding the Fourth Proportional to 2,157,769.48, 2,977,707.24 and 1,190,899.76

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Solution

The fourth proportional to 2,157,769.48, 2,977,707.24 and 1,190,899.76 is: 1,643,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,769.48 : 2,977,707.24 = 1,190,899.76 : x
  2. Step 2: Convert to fraction form
    2,157,769.48/2,977,707.24 = 1,190,899.76/x
  3. Step 3: Cross multiply
    2,157,769.48x = 2,977,707.24 × 1,190,899.76
  4. Step 4: Simplify right side
    2,157,769.48x = 3,546,150,837,466.26
  5. Step 5: Solve for x
    x = 3,546,150,837,466.26/2,157,769.48
  6. Step 6: Final answer
    x = 1,643,433.59

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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.