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Finding the Fourth Proportional to 3,598,681.88, 4,966,180.61 and 1,967,095.74

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Solution

The fourth proportional to 3,598,681.88, 4,966,180.61 and 1,967,095.74 is: 2,714,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598,681.88 : 4,966,180.61 = 1,967,095.74 : x
  2. Step 2: Convert to fraction form
    3,598,681.88/4,966,180.61 = 1,967,095.74/x
  3. Step 3: Cross multiply
    3,598,681.88x = 4,966,180.61 × 1,967,095.74
  4. Step 4: Simplify right side
    3,598,681.88x = 9,768,952,722,001.60
  5. Step 5: Solve for x
    x = 9,768,952,722,001.60/3,598,681.88
  6. Step 6: Final answer
    x = 2,714,591.91

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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.