Home / 2,167,457.40-2,991,189.66-1,200,587.58

Finding the Fourth Proportional to 2,167,457.40, 2,991,189.66 and 1,200,587.58

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Solution

The fourth proportional to 2,167,457.40, 2,991,189.66 and 1,200,587.58 is: 1,656,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,457.40 : 2,991,189.66 = 1,200,587.58 : x
  2. Step 2: Convert to fraction form
    2,167,457.40/2,991,189.66 = 1,200,587.58/x
  3. Step 3: Cross multiply
    2,167,457.40x = 2,991,189.66 × 1,200,587.58
  4. Step 4: Simplify right side
    2,167,457.40x = 3,591,185,155,220.42
  5. Step 5: Solve for x
    x = 3,591,185,155,220.42/2,167,457.40
  6. Step 6: Final answer
    x = 1,656,865.39

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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.