Home / 2,116,136.37-2,920,448.29-1,198,528.75

Finding the Fourth Proportional to 2,116,136.37, 2,920,448.29 and 1,198,528.75

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Solution

The fourth proportional to 2,116,136.37, 2,920,448.29 and 1,198,528.75 is: 1,654,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,136.37 : 2,920,448.29 = 1,198,528.75 : x
  2. Step 2: Convert to fraction form
    2,116,136.37/2,920,448.29 = 1,198,528.75/x
  3. Step 3: Cross multiply
    2,116,136.37x = 2,920,448.29 × 1,198,528.75
  4. Step 4: Simplify right side
    2,116,136.37x = 3,500,241,225,346.78
  5. Step 5: Solve for x
    x = 3,500,241,225,346.78/2,116,136.37
  6. Step 6: Final answer
    x = 1,654,071.68

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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.