Home / 3,078,690.75-4,248,724.46-1,720,563.75

Finding the Fourth Proportional to 3,078,690.75, 4,248,724.46 and 1,720,563.75

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Solution

The fourth proportional to 3,078,690.75, 4,248,724.46 and 1,720,563.75 is: 2,374,451.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,690.75 : 4,248,724.46 = 1,720,563.75 : x
  2. Step 2: Convert to fraction form
    3,078,690.75/4,248,724.46 = 1,720,563.75/x
  3. Step 3: Cross multiply
    3,078,690.75x = 4,248,724.46 × 1,720,563.75
  4. Step 4: Simplify right side
    3,078,690.75x = 7,310,201,281,011.51
  5. Step 5: Solve for x
    x = 7,310,201,281,011.51/3,078,690.75
  6. Step 6: Final answer
    x = 2,374,451.31

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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.