Home / 3,728,263.71-5,590,628.64-1,298,569.58

Finding the Fourth Proportional to 3,728,263.71, 5,590,628.64 and 1,298,569.58

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Solution

The fourth proportional to 3,728,263.71, 5,590,628.64 and 1,298,569.58 is: 1,947,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728,263.71 : 5,590,628.64 = 1,298,569.58 : x
  2. Step 2: Convert to fraction form
    3,728,263.71/5,590,628.64 = 1,298,569.58/x
  3. Step 3: Cross multiply
    3,728,263.71x = 5,590,628.64 × 1,298,569.58
  4. Step 4: Simplify right side
    3,728,263.71x = 7,259,820,284,980.77
  5. Step 5: Solve for x
    x = 7,259,820,284,980.77/3,728,263.71
  6. Step 6: Final answer
    x = 1,947,238.94

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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.