Home / 3,518,142-5,276,948.04-1,121,889.84

Finding the Fourth Proportional to 3,518,142, 5,276,948.04 and 1,121,889.84

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Solution

The fourth proportional to 3,518,142, 5,276,948.04 and 1,121,889.84 is: 1,682,750.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518,142 : 5,276,948.04 = 1,121,889.84 : x
  2. Step 2: Convert to fraction form
    3,518,142/5,276,948.04 = 1,121,889.84/x
  3. Step 3: Cross multiply
    3,518,142x = 5,276,948.04 × 1,121,889.84
  4. Step 4: Simplify right side
    3,518,142x = 5,920,154,392,283.91
  5. Step 5: Solve for x
    x = 5,920,154,392,283.91/3,518,142
  6. Step 6: Final answer
    x = 1,682,750.27

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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.