Home / 2,490,038.78-3,736,144.58-871,968.96

Finding the Fourth Proportional to 2,490,038.78, 3,736,144.58 and 871,968.96

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Solution

The fourth proportional to 2,490,038.78, 3,736,144.58 and 871,968.96 is: 1,308,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,490,038.78 : 3,736,144.58 = 871,968.96 : x
  2. Step 2: Convert to fraction form
    2,490,038.78/3,736,144.58 = 871,968.96/x
  3. Step 3: Cross multiply
    2,490,038.78x = 3,736,144.58 × 871,968.96
  4. Step 4: Simplify right side
    2,490,038.78x = 3,257,802,103,832.24
  5. Step 5: Solve for x
    x = 3,257,802,103,832.24/2,490,038.78
  6. Step 6: Final answer
    x = 1,308,333.88

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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.