Home / 2,157,868.34-2,977,646.29-1,190,936.20

Finding the Fourth Proportional to 2,157,868.34, 2,977,646.29 and 1,190,936.20

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Solution

The fourth proportional to 2,157,868.34, 2,977,646.29 and 1,190,936.20 is: 1,643,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,868.34 : 2,977,646.29 = 1,190,936.20 : x
  2. Step 2: Convert to fraction form
    2,157,868.34/2,977,646.29 = 1,190,936.20/x
  3. Step 3: Cross multiply
    2,157,868.34x = 2,977,646.29 × 1,190,936.20
  4. Step 4: Simplify right side
    2,157,868.34x = 3,546,186,757,556.70
  5. Step 5: Solve for x
    x = 3,546,186,757,556.70/2,157,868.34
  6. Step 6: Final answer
    x = 1,643,374.94

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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.