Home / 3,859,178.40-5,325,984.96-2,140,852.80

Finding the Fourth Proportional to 3,859,178.40, 5,325,984.96 and 2,140,852.80

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Solution

The fourth proportional to 3,859,178.40, 5,325,984.96 and 2,140,852.80 is: 2,954,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859,178.40 : 5,325,984.96 = 2,140,852.80 : x
  2. Step 2: Convert to fraction form
    3,859,178.40/5,325,984.96 = 2,140,852.80/x
  3. Step 3: Cross multiply
    3,859,178.40x = 5,325,984.96 × 2,140,852.80
  4. Step 4: Simplify right side
    3,859,178.40x = 11,402,149,814,373.89
  5. Step 5: Solve for x
    x = 11,402,149,814,373.89/3,859,178.40
  6. Step 6: Final answer
    x = 2,954,553.70

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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.