Home / 2,505,138.36-3,457,086.66-1,359,218.40

Finding the Fourth Proportional to 2,505,138.36, 3,457,086.66 and 1,359,218.40

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Solution

The fourth proportional to 2,505,138.36, 3,457,086.66 and 1,359,218.40 is: 1,875,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505,138.36 : 3,457,086.66 = 1,359,218.40 : x
  2. Step 2: Convert to fraction form
    2,505,138.36/3,457,086.66 = 1,359,218.40/x
  3. Step 3: Cross multiply
    2,505,138.36x = 3,457,086.66 × 1,359,218.40
  4. Step 4: Simplify right side
    2,505,138.36x = 4,698,935,798,666.54
  5. Step 5: Solve for x
    x = 4,698,935,798,666.54/2,505,138.36
  6. Step 6: Final answer
    x = 1,875,719.07

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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.