Home / 2,819,316.08-3,890,660.04-1,530,156.49

Finding the Fourth Proportional to 2,819,316.08, 3,890,660.04 and 1,530,156.49

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Solution

The fourth proportional to 2,819,316.08, 3,890,660.04 and 1,530,156.49 is: 2,111,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,316.08 : 3,890,660.04 = 1,530,156.49 : x
  2. Step 2: Convert to fraction form
    2,819,316.08/3,890,660.04 = 1,530,156.49/x
  3. Step 3: Cross multiply
    2,819,316.08x = 3,890,660.04 × 1,530,156.49
  4. Step 4: Simplify right side
    2,819,316.08x = 5,953,318,700,863.01
  5. Step 5: Solve for x
    x = 5,953,318,700,863.01/2,819,316.08
  6. Step 6: Final answer
    x = 2,111,618.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.