Home / 3,557,856.87-4,909,835.43-1,926,263.79

Finding the Fourth Proportional to 3,557,856.87, 4,909,835.43 and 1,926,263.79

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Solution

The fourth proportional to 3,557,856.87, 4,909,835.43 and 1,926,263.79 is: 2,658,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,856.87 : 4,909,835.43 = 1,926,263.79 : x
  2. Step 2: Convert to fraction form
    3,557,856.87/4,909,835.43 = 1,926,263.79/x
  3. Step 3: Cross multiply
    3,557,856.87x = 4,909,835.43 × 1,926,263.79
  4. Step 4: Simplify right side
    3,557,856.87x = 9,457,638,203,668.08
  5. Step 5: Solve for x
    x = 9,457,638,203,668.08/3,557,856.87
  6. Step 6: Final answer
    x = 2,658,240.21

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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.