Home / 1,975,356.47-2,963,013.11-479,448.47

Finding the Fourth Proportional to 1,975,356.47, 2,963,013.11 and 479,448.47

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Solution

The fourth proportional to 1,975,356.47, 2,963,013.11 and 479,448.47 is: 719,167.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,356.47 : 2,963,013.11 = 479,448.47 : x
  2. Step 2: Convert to fraction form
    1,975,356.47/2,963,013.11 = 479,448.47/x
  3. Step 3: Cross multiply
    1,975,356.47x = 2,963,013.11 × 479,448.47
  4. Step 4: Simplify right side
    1,975,356.47x = 1,420,612,099,782.20
  5. Step 5: Solve for x
    x = 1,420,612,099,782.20/1,975,356.47
  6. Step 6: Final answer
    x = 719,167.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.