Home / 1,915,004.94-2,642,627.31-1,043,820.47

Finding the Fourth Proportional to 1,915,004.94, 2,642,627.31 and 1,043,820.47

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Solution

The fourth proportional to 1,915,004.94, 2,642,627.31 and 1,043,820.47 is: 1,440,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,004.94 : 2,642,627.31 = 1,043,820.47 : x
  2. Step 2: Convert to fraction form
    1,915,004.94/2,642,627.31 = 1,043,820.47/x
  3. Step 3: Cross multiply
    1,915,004.94x = 2,642,627.31 × 1,043,820.47
  4. Step 4: Simplify right side
    1,915,004.94x = 2,758,428,473,541.42
  5. Step 5: Solve for x
    x = 2,758,428,473,541.42/1,915,004.94
  6. Step 6: Final answer
    x = 1,440,428.90

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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.