Home / 3,317,904.80-4,978,792.80-1,398,699.36

Finding the Fourth Proportional to 3,317,904.80, 4,978,792.80 and 1,398,699.36

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Solution

The fourth proportional to 3,317,904.80, 4,978,792.80 and 1,398,699.36 is: 2,098,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,904.80 : 4,978,792.80 = 1,398,699.36 : x
  2. Step 2: Convert to fraction form
    3,317,904.80/4,978,792.80 = 1,398,699.36/x
  3. Step 3: Cross multiply
    3,317,904.80x = 4,978,792.80 × 1,398,699.36
  4. Step 4: Simplify right side
    3,317,904.80x = 6,963,834,302,932.61
  5. Step 5: Solve for x
    x = 6,963,834,302,932.61/3,317,904.80
  6. Step 6: Final answer
    x = 2,098,865.01

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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.