Home / 1,410,985.17-2,125,891.10-1,276,204.79

Finding the Fourth Proportional to 1,410,985.17, 2,125,891.10 and 1,276,204.79

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Solution

The fourth proportional to 1,410,985.17, 2,125,891.10 and 1,276,204.79 is: 1,922,821.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,985.17 : 2,125,891.10 = 1,276,204.79 : x
  2. Step 2: Convert to fraction form
    1,410,985.17/2,125,891.10 = 1,276,204.79/x
  3. Step 3: Cross multiply
    1,410,985.17x = 2,125,891.10 × 1,276,204.79
  4. Step 4: Simplify right side
    1,410,985.17x = 2,713,072,413,343.61
  5. Step 5: Solve for x
    x = 2,713,072,413,343.61/1,410,985.17
  6. Step 6: Final answer
    x = 1,922,821.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.