Home / 2,287,968.84-3,157,336.89-1,255,473.45

Finding the Fourth Proportional to 2,287,968.84, 3,157,336.89 and 1,255,473.45

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Solution

The fourth proportional to 2,287,968.84, 3,157,336.89 and 1,255,473.45 is: 1,732,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,968.84 : 3,157,336.89 = 1,255,473.45 : x
  2. Step 2: Convert to fraction form
    2,287,968.84/3,157,336.89 = 1,255,473.45/x
  3. Step 3: Cross multiply
    2,287,968.84x = 3,157,336.89 × 1,255,473.45
  4. Step 4: Simplify right side
    2,287,968.84x = 3,963,952,638,100.57
  5. Step 5: Solve for x
    x = 3,963,952,638,100.57/2,287,968.84
  6. Step 6: Final answer
    x = 1,732,520.38

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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.