Home / 3,581,445.90-4,941,629.06-2,130,858.02

Finding the Fourth Proportional to 3,581,445.90, 4,941,629.06 and 2,130,858.02

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Solution

The fourth proportional to 3,581,445.90, 4,941,629.06 and 2,130,858.02 is: 2,940,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581,445.90 : 4,941,629.06 = 2,130,858.02 : x
  2. Step 2: Convert to fraction form
    3,581,445.90/4,941,629.06 = 2,130,858.02/x
  3. Step 3: Cross multiply
    3,581,445.90x = 4,941,629.06 × 2,130,858.02
  4. Step 4: Simplify right side
    3,581,445.90x = 10,529,909,879,003.62
  5. Step 5: Solve for x
    x = 10,529,909,879,003.62/3,581,445.90
  6. Step 6: Final answer
    x = 2,940,128.14

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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.