Home / 2,184,358.40-3,276,537.60-1,428,531.20

Finding the Fourth Proportional to 2,184,358.40, 3,276,537.60 and 1,428,531.20

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Solution

The fourth proportional to 2,184,358.40, 3,276,537.60 and 1,428,531.20 is: 2,142,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184,358.40 : 3,276,537.60 = 1,428,531.20 : x
  2. Step 2: Convert to fraction form
    2,184,358.40/3,276,537.60 = 1,428,531.20/x
  3. Step 3: Cross multiply
    2,184,358.40x = 3,276,537.60 × 1,428,531.20
  4. Step 4: Simplify right side
    2,184,358.40x = 4,680,636,189,573.12
  5. Step 5: Solve for x
    x = 4,680,636,189,573.12/2,184,358.40
  6. Step 6: Final answer
    x = 2,142,796.80

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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.