Home / 2,798,579.36-4,197,892.53-776,980.92

Finding the Fourth Proportional to 2,798,579.36, 4,197,892.53 and 776,980.92

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Solution

The fourth proportional to 2,798,579.36, 4,197,892.53 and 776,980.92 is: 1,165,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,579.36 : 4,197,892.53 = 776,980.92 : x
  2. Step 2: Convert to fraction form
    2,798,579.36/4,197,892.53 = 776,980.92/x
  3. Step 3: Cross multiply
    2,798,579.36x = 4,197,892.53 × 776,980.92
  4. Step 4: Simplify right side
    2,798,579.36x = 3,261,682,400,020.53
  5. Step 5: Solve for x
    x = 3,261,682,400,020.53/2,798,579.36
  6. Step 6: Final answer
    x = 1,165,477.90

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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.