Home / 2,540,720.16-3,808,181.16-1,023,431.40

Finding the Fourth Proportional to 2,540,720.16, 3,808,181.16 and 1,023,431.40

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Solution

The fourth proportional to 2,540,720.16, 3,808,181.16 and 1,023,431.40 is: 1,533,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,720.16 : 3,808,181.16 = 1,023,431.40 : x
  2. Step 2: Convert to fraction form
    2,540,720.16/3,808,181.16 = 1,023,431.40/x
  3. Step 3: Cross multiply
    2,540,720.16x = 3,808,181.16 × 1,023,431.40
  4. Step 4: Simplify right side
    2,540,720.16x = 3,897,412,176,032.42
  5. Step 5: Solve for x
    x = 3,897,412,176,032.42/2,540,720.16
  6. Step 6: Final answer
    x = 1,533,979.32

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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.