Home / 3,462,429.75-4,778,400.45-1,913,658.12

Finding the Fourth Proportional to 3,462,429.75, 4,778,400.45 and 1,913,658.12

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Solution

The fourth proportional to 3,462,429.75, 4,778,400.45 and 1,913,658.12 is: 2,640,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462,429.75 : 4,778,400.45 = 1,913,658.12 : x
  2. Step 2: Convert to fraction form
    3,462,429.75/4,778,400.45 = 1,913,658.12/x
  3. Step 3: Cross multiply
    3,462,429.75x = 4,778,400.45 × 1,913,658.12
  4. Step 4: Simplify right side
    3,462,429.75x = 9,144,224,821,754.15
  5. Step 5: Solve for x
    x = 9,144,224,821,754.15/3,462,429.75
  6. Step 6: Final answer
    x = 2,640,984.94

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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.