Home / 1,934,021.32-2,900,030.74-868,145.56

Finding the Fourth Proportional to 1,934,021.32, 2,900,030.74 and 868,145.56

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Solution

The fourth proportional to 1,934,021.32, 2,900,030.74 and 868,145.56 is: 1,301,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934,021.32 : 2,900,030.74 = 868,145.56 : x
  2. Step 2: Convert to fraction form
    1,934,021.32/2,900,030.74 = 868,145.56/x
  3. Step 3: Cross multiply
    1,934,021.32x = 2,900,030.74 × 868,145.56
  4. Step 4: Simplify right side
    1,934,021.32x = 2,517,648,810,794.51
  5. Step 5: Solve for x
    x = 2,517,648,810,794.51/1,934,021.32
  6. Step 6: Final answer
    x = 1,301,768.90

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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.