Home / 2,110,099.64-2,911,765.16-1,238,842.56

Finding the Fourth Proportional to 2,110,099.64, 2,911,765.16 and 1,238,842.56

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Solution

The fourth proportional to 2,110,099.64, 2,911,765.16 and 1,238,842.56 is: 1,709,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110,099.64 : 2,911,765.16 = 1,238,842.56 : x
  2. Step 2: Convert to fraction form
    2,110,099.64/2,911,765.16 = 1,238,842.56/x
  3. Step 3: Cross multiply
    2,110,099.64x = 2,911,765.16 × 1,238,842.56
  4. Step 4: Simplify right side
    2,110,099.64x = 3,607,218,604,933.21
  5. Step 5: Solve for x
    x = 3,607,218,604,933.21/2,110,099.64
  6. Step 6: Final answer
    x = 1,709,501.55

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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.