Home / 2,391,170.40-3,587,716.80-971,337.60

Finding the Fourth Proportional to 2,391,170.40, 3,587,716.80 and 971,337.60

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Solution

The fourth proportional to 2,391,170.40, 3,587,716.80 and 971,337.60 is: 1,457,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,170.40 : 3,587,716.80 = 971,337.60 : x
  2. Step 2: Convert to fraction form
    2,391,170.40/3,587,716.80 = 971,337.60/x
  3. Step 3: Cross multiply
    2,391,170.40x = 3,587,716.80 × 971,337.60
  4. Step 4: Simplify right side
    2,391,170.40x = 3,484,884,225,991.68
  5. Step 5: Solve for x
    x = 3,484,884,225,991.68/2,391,170.40
  6. Step 6: Final answer
    x = 1,457,396.86

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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.