Home / 1,630,537.20-2,434,826.16-1,331,611.20

Finding the Fourth Proportional to 1,630,537.20, 2,434,826.16 and 1,331,611.20

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Solution

The fourth proportional to 1,630,537.20, 2,434,826.16 and 1,331,611.20 is: 1,988,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,537.20 : 2,434,826.16 = 1,331,611.20 : x
  2. Step 2: Convert to fraction form
    1,630,537.20/2,434,826.16 = 1,331,611.20/x
  3. Step 3: Cross multiply
    1,630,537.20x = 2,434,826.16 × 1,331,611.20
  4. Step 4: Simplify right side
    1,630,537.20x = 3,242,241,784,708.99
  5. Step 5: Solve for x
    x = 3,242,241,784,708.99/1,630,537.20
  6. Step 6: Final answer
    x = 1,988,450.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.