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Finding the Fourth Proportional to 5,495,978.17, 7,584,571.45 and 3,048,509.51

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Solution

The fourth proportional to 5,495,978.17, 7,584,571.45 and 3,048,509.51 is: 4,207,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495,978.17 : 7,584,571.45 = 3,048,509.51 : x
  2. Step 2: Convert to fraction form
    5,495,978.17/7,584,571.45 = 3,048,509.51/x
  3. Step 3: Cross multiply
    5,495,978.17x = 7,584,571.45 × 3,048,509.51
  4. Step 4: Simplify right side
    5,495,978.17x = 23,121,638,194,599.49
  5. Step 5: Solve for x
    x = 23,121,638,194,599.49/5,495,978.17
  6. Step 6: Final answer
    x = 4,207,010.56

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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.