Home / 2,140,208.68-2,953,395.01-1,281,242.56

Finding the Fourth Proportional to 2,140,208.68, 2,953,395.01 and 1,281,242.56

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Solution

The fourth proportional to 2,140,208.68, 2,953,395.01 and 1,281,242.56 is: 1,768,059.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,208.68 : 2,953,395.01 = 1,281,242.56 : x
  2. Step 2: Convert to fraction form
    2,140,208.68/2,953,395.01 = 1,281,242.56/x
  3. Step 3: Cross multiply
    2,140,208.68x = 2,953,395.01 × 1,281,242.56
  4. Step 4: Simplify right side
    2,140,208.68x = 3,784,015,372,717.03
  5. Step 5: Solve for x
    x = 3,784,015,372,717.03/2,140,208.68
  6. Step 6: Final answer
    x = 1,768,059.07

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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.