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Finding the Fourth Proportional to 3,470,188.48, 4,787,952.06 and 1,999,737.16

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Solution

The fourth proportional to 3,470,188.48, 4,787,952.06 and 1,999,737.16 is: 2,759,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470,188.48 : 4,787,952.06 = 1,999,737.16 : x
  2. Step 2: Convert to fraction form
    3,470,188.48/4,787,952.06 = 1,999,737.16/x
  3. Step 3: Cross multiply
    3,470,188.48x = 4,787,952.06 × 1,999,737.16
  4. Step 4: Simplify right side
    3,470,188.48x = 9,574,645,654,680.55
  5. Step 5: Solve for x
    x = 9,574,645,654,680.55/3,470,188.48
  6. Step 6: Final answer
    x = 2,759,114.01

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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.