Home / 1,914,776.40-2,642,407.53-1,055,338.86

Finding the Fourth Proportional to 1,914,776.40, 2,642,407.53 and 1,055,338.86

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Solution

The fourth proportional to 1,914,776.40, 2,642,407.53 and 1,055,338.86 is: 1,456,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,776.40 : 2,642,407.53 = 1,055,338.86 : x
  2. Step 2: Convert to fraction form
    1,914,776.40/2,642,407.53 = 1,055,338.86/x
  3. Step 3: Cross multiply
    1,914,776.40x = 2,642,407.53 × 1,055,338.86
  4. Step 4: Simplify right side
    1,914,776.40x = 2,788,635,350,365.62
  5. Step 5: Solve for x
    x = 2,788,635,350,365.62/1,914,776.40
  6. Step 6: Final answer
    x = 1,456,376.50

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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.