Home / 1,791,200.40-2,688,269.40-1,777,203.60

Finding the Fourth Proportional to 1,791,200.40, 2,688,269.40 and 1,777,203.60

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Solution

The fourth proportional to 1,791,200.40, 2,688,269.40 and 1,777,203.60 is: 2,667,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,200.40 : 2,688,269.40 = 1,777,203.60 : x
  2. Step 2: Convert to fraction form
    1,791,200.40/2,688,269.40 = 1,777,203.60/x
  3. Step 3: Cross multiply
    1,791,200.40x = 2,688,269.40 × 1,777,203.60
  4. Step 4: Simplify right side
    1,791,200.40x = 4,777,602,055,449.84
  5. Step 5: Solve for x
    x = 4,777,602,055,449.84/1,791,200.40
  6. Step 6: Final answer
    x = 2,667,262.72

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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.