Home / 2,106,449.32-3,159,070.80-686,629.48

Finding the Fourth Proportional to 2,106,449.32, 3,159,070.80 and 686,629.48

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Solution

The fourth proportional to 2,106,449.32, 3,159,070.80 and 686,629.48 is: 1,029,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,449.32 : 3,159,070.80 = 686,629.48 : x
  2. Step 2: Convert to fraction form
    2,106,449.32/3,159,070.80 = 686,629.48/x
  3. Step 3: Cross multiply
    2,106,449.32x = 3,159,070.80 × 686,629.48
  4. Step 4: Simplify right side
    2,106,449.32x = 2,169,111,140,687.18
  5. Step 5: Solve for x
    x = 2,169,111,140,687.18/2,106,449.32
  6. Step 6: Final answer
    x = 1,029,747.60

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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.