Home / 2,475,406.36-3,713,112.78-678,305.80

Finding the Fourth Proportional to 2,475,406.36, 3,713,112.78 and 678,305.80

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Solution

The fourth proportional to 2,475,406.36, 3,713,112.78 and 678,305.80 is: 1,017,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,406.36 : 3,713,112.78 = 678,305.80 : x
  2. Step 2: Convert to fraction form
    2,475,406.36/3,713,112.78 = 678,305.80/x
  3. Step 3: Cross multiply
    2,475,406.36x = 3,713,112.78 × 678,305.80
  4. Step 4: Simplify right side
    2,475,406.36x = 2,518,625,934,728.12
  5. Step 5: Solve for x
    x = 2,518,625,934,728.12/2,475,406.36
  6. Step 6: Final answer
    x = 1,017,459.59

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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.