Home / 3,420,657.20-5,126,838.60-1,525,386.80

Finding the Fourth Proportional to 3,420,657.20, 5,126,838.60 and 1,525,386.80

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Solution

The fourth proportional to 3,420,657.20, 5,126,838.60 and 1,525,386.80 is: 2,286,230.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,657.20 : 5,126,838.60 = 1,525,386.80 : x
  2. Step 2: Convert to fraction form
    3,420,657.20/5,126,838.60 = 1,525,386.80/x
  3. Step 3: Cross multiply
    3,420,657.20x = 5,126,838.60 × 1,525,386.80
  4. Step 4: Simplify right side
    3,420,657.20x = 7,820,411,926,170.48
  5. Step 5: Solve for x
    x = 7,820,411,926,170.48/3,420,657.20
  6. Step 6: Final answer
    x = 2,286,230.82

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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.