Home / 3,121,448.04-4,307,013.42-1,974,721.32

Finding the Fourth Proportional to 3,121,448.04, 4,307,013.42 and 1,974,721.32

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Solution

The fourth proportional to 3,121,448.04, 4,307,013.42 and 1,974,721.32 is: 2,724,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,448.04 : 4,307,013.42 = 1,974,721.32 : x
  2. Step 2: Convert to fraction form
    3,121,448.04/4,307,013.42 = 1,974,721.32/x
  3. Step 3: Cross multiply
    3,121,448.04x = 4,307,013.42 × 1,974,721.32
  4. Step 4: Simplify right side
    3,121,448.04x = 8,505,151,226,000.11
  5. Step 5: Solve for x
    x = 8,505,151,226,000.11/3,121,448.04
  6. Step 6: Final answer
    x = 2,724,745.41

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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.