Home / 3,208,784.86-4,813,078.47-1,314,099.28

Finding the Fourth Proportional to 3,208,784.86, 4,813,078.47 and 1,314,099.28

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Solution

The fourth proportional to 3,208,784.86, 4,813,078.47 and 1,314,099.28 is: 1,971,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,784.86 : 4,813,078.47 = 1,314,099.28 : x
  2. Step 2: Convert to fraction form
    3,208,784.86/4,813,078.47 = 1,314,099.28/x
  3. Step 3: Cross multiply
    3,208,784.86x = 4,813,078.47 × 1,314,099.28
  4. Step 4: Simplify right side
    3,208,784.86x = 6,324,862,952,010.50
  5. Step 5: Solve for x
    x = 6,324,862,952,010.50/3,208,784.86
  6. Step 6: Final answer
    x = 1,971,108.45

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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.