Home / 1,914,657.46-2,642,218.63-1,055,215.86

Finding the Fourth Proportional to 1,914,657.46, 2,642,218.63 and 1,055,215.86

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Solution

The fourth proportional to 1,914,657.46, 2,642,218.63 and 1,055,215.86 is: 1,456,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,657.46 : 2,642,218.63 = 1,055,215.86 : x
  2. Step 2: Convert to fraction form
    1,914,657.46/2,642,218.63 = 1,055,215.86/x
  3. Step 3: Cross multiply
    1,914,657.46x = 2,642,218.63 × 1,055,215.86
  4. Step 4: Simplify right side
    1,914,657.46x = 2,788,111,003,963.47
  5. Step 5: Solve for x
    x = 2,788,111,003,963.47/1,914,657.46
  6. Step 6: Final answer
    x = 1,456,193.11

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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.