Home / 2,111,854.68-3,168,723.65-974,004.75

Finding the Fourth Proportional to 2,111,854.68, 3,168,723.65 and 974,004.75

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Solution

The fourth proportional to 2,111,854.68, 3,168,723.65 and 974,004.75 is: 1,461,441.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,854.68 : 3,168,723.65 = 974,004.75 : x
  2. Step 2: Convert to fraction form
    2,111,854.68/3,168,723.65 = 974,004.75/x
  3. Step 3: Cross multiply
    2,111,854.68x = 3,168,723.65 × 974,004.75
  4. Step 4: Simplify right side
    2,111,854.68x = 3,086,351,881,667.31
  5. Step 5: Solve for x
    x = 3,086,351,881,667.31/2,111,854.68
  6. Step 6: Final answer
    x = 1,461,441.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.