Home / 2,163,187.12-2,984,296.14-1,245,196.60

Finding the Fourth Proportional to 2,163,187.12, 2,984,296.14 and 1,245,196.60

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Solution

The fourth proportional to 2,163,187.12, 2,984,296.14 and 1,245,196.60 is: 1,717,852.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163,187.12 : 2,984,296.14 = 1,245,196.60 : x
  2. Step 2: Convert to fraction form
    2,163,187.12/2,984,296.14 = 1,245,196.60/x
  3. Step 3: Cross multiply
    2,163,187.12x = 2,984,296.14 × 1,245,196.60
  4. Step 4: Simplify right side
    2,163,187.12x = 3,716,035,406,921.12
  5. Step 5: Solve for x
    x = 3,716,035,406,921.12/2,163,187.12
  6. Step 6: Final answer
    x = 1,717,852.04

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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.