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Finding the Fourth Proportional to 3,603,470.95, 4,972,887.47 and 2,208,008.34

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Solution

The fourth proportional to 3,603,470.95, 4,972,887.47 and 2,208,008.34 is: 3,047,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603,470.95 : 4,972,887.47 = 2,208,008.34 : x
  2. Step 2: Convert to fraction form
    3,603,470.95/4,972,887.47 = 2,208,008.34/x
  3. Step 3: Cross multiply
    3,603,470.95x = 4,972,887.47 × 2,208,008.34
  4. Step 4: Simplify right side
    3,603,470.95x = 10,980,176,999,175.28
  5. Step 5: Solve for x
    x = 10,980,176,999,175.28/3,603,470.95
  6. Step 6: Final answer
    x = 3,047,111.29

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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.