Home / 1,640,904.48-2,461,052.16-1,322,913.60

Finding the Fourth Proportional to 1,640,904.48, 2,461,052.16 and 1,322,913.60

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Solution

The fourth proportional to 1,640,904.48, 2,461,052.16 and 1,322,913.60 is: 1,984,124.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,904.48 : 2,461,052.16 = 1,322,913.60 : x
  2. Step 2: Convert to fraction form
    1,640,904.48/2,461,052.16 = 1,322,913.60/x
  3. Step 3: Cross multiply
    1,640,904.48x = 2,461,052.16 × 1,322,913.60
  4. Step 4: Simplify right side
    1,640,904.48x = 3,255,759,372,773.38
  5. Step 5: Solve for x
    x = 3,255,759,372,773.38/1,640,904.48
  6. Step 6: Final answer
    x = 1,984,124.86

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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.