Home / 3,494,685.12-4,822,820.64-1,966,891.20

Finding the Fourth Proportional to 3,494,685.12, 4,822,820.64 and 1,966,891.20

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Solution

The fourth proportional to 3,494,685.12, 4,822,820.64 and 1,966,891.20 is: 2,714,397.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494,685.12 : 4,822,820.64 = 1,966,891.20 : x
  2. Step 2: Convert to fraction form
    3,494,685.12/4,822,820.64 = 1,966,891.20/x
  3. Step 3: Cross multiply
    3,494,685.12x = 4,822,820.64 × 1,966,891.20
  4. Step 4: Simplify right side
    3,494,685.12x = 9,485,963,475,994.37
  5. Step 5: Solve for x
    x = 9,485,963,475,994.37/3,494,685.12
  6. Step 6: Final answer
    x = 2,714,397.19

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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.