Home / 1,774,682.60-2,662,023.90-1,420,388.60

Finding the Fourth Proportional to 1,774,682.60, 2,662,023.90 and 1,420,388.60

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Solution

The fourth proportional to 1,774,682.60, 2,662,023.90 and 1,420,388.60 is: 2,130,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,682.60 : 2,662,023.90 = 1,420,388.60 : x
  2. Step 2: Convert to fraction form
    1,774,682.60/2,662,023.90 = 1,420,388.60/x
  3. Step 3: Cross multiply
    1,774,682.60x = 2,662,023.90 × 1,420,388.60
  4. Step 4: Simplify right side
    1,774,682.60x = 3,781,108,400,487.54
  5. Step 5: Solve for x
    x = 3,781,108,400,487.54/1,774,682.60
  6. Step 6: Final answer
    x = 2,130,582.90

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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.