Home / 3,745,876.86-5,618,829.87-905,984.46

Finding the Fourth Proportional to 3,745,876.86, 5,618,829.87 and 905,984.46

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Solution

The fourth proportional to 3,745,876.86, 5,618,829.87 and 905,984.46 is: 1,358,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,876.86 : 5,618,829.87 = 905,984.46 : x
  2. Step 2: Convert to fraction form
    3,745,876.86/5,618,829.87 = 905,984.46/x
  3. Step 3: Cross multiply
    3,745,876.86x = 5,618,829.87 × 905,984.46
  4. Step 4: Simplify right side
    3,745,876.86x = 5,090,572,545,603.82
  5. Step 5: Solve for x
    x = 5,090,572,545,603.82/3,745,876.86
  6. Step 6: Final answer
    x = 1,358,980.22

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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.