Home / 1,915,135.85-2,642,886.93-1,055,710.46

Finding the Fourth Proportional to 1,915,135.85, 2,642,886.93 and 1,055,710.46

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Solution

The fourth proportional to 1,915,135.85, 2,642,886.93 and 1,055,710.46 is: 1,456,880.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,135.85 : 2,642,886.93 = 1,055,710.46 : x
  2. Step 2: Convert to fraction form
    1,915,135.85/2,642,886.93 = 1,055,710.46/x
  3. Step 3: Cross multiply
    1,915,135.85x = 2,642,886.93 × 1,055,710.46
  4. Step 4: Simplify right side
    1,915,135.85x = 2,790,123,387,164.42
  5. Step 5: Solve for x
    x = 2,790,123,387,164.42/1,915,135.85
  6. Step 6: Final answer
    x = 1,456,880.14

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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.