Home / 1,781,451-2,673,610.20-1,013,420.34

Finding the Fourth Proportional to 1,781,451, 2,673,610.20 and 1,013,420.34

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Solution

The fourth proportional to 1,781,451, 2,673,610.20 and 1,013,420.34 is: 1,520,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,451 : 2,673,610.20 = 1,013,420.34 : x
  2. Step 2: Convert to fraction form
    1,781,451/2,673,610.20 = 1,013,420.34/x
  3. Step 3: Cross multiply
    1,781,451x = 2,673,610.20 × 1,013,420.34
  4. Step 4: Simplify right side
    1,781,451x = 2,709,490,957,911.47
  5. Step 5: Solve for x
    x = 2,709,490,957,911.47/1,781,451
  6. Step 6: Final answer
    x = 1,520,946.10

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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.