Home / 3,878,274.90-5,820,069.51-1,353,930.06

Finding the Fourth Proportional to 3,878,274.90, 5,820,069.51 and 1,353,930.06

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Solution

The fourth proportional to 3,878,274.90, 5,820,069.51 and 1,353,930.06 is: 2,031,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,274.90 : 5,820,069.51 = 1,353,930.06 : x
  2. Step 2: Convert to fraction form
    3,878,274.90/5,820,069.51 = 1,353,930.06/x
  3. Step 3: Cross multiply
    3,878,274.90x = 5,820,069.51 × 1,353,930.06
  4. Step 4: Simplify right side
    3,878,274.90x = 7,879,967,060,878.47
  5. Step 5: Solve for x
    x = 7,879,967,060,878.47/3,878,274.90
  6. Step 6: Final answer
    x = 2,031,822.72

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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.