Home / 2,128,336.94-2,937,200.74-1,198,365

Finding the Fourth Proportional to 2,128,336.94, 2,937,200.74 and 1,198,365

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Solution

The fourth proportional to 2,128,336.94, 2,937,200.74 and 1,198,365 is: 1,653,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,336.94 : 2,937,200.74 = 1,198,365 : x
  2. Step 2: Convert to fraction form
    2,128,336.94/2,937,200.74 = 1,198,365/x
  3. Step 3: Cross multiply
    2,128,336.94x = 2,937,200.74 × 1,198,365
  4. Step 4: Simplify right side
    2,128,336.94x = 3,519,838,564,790.10
  5. Step 5: Solve for x
    x = 3,519,838,564,790.10/2,128,336.94
  6. Step 6: Final answer
    x = 1,653,797.62

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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.