Home / 3,830,486.76-5,747,042.34-1,307,913.48

Finding the Fourth Proportional to 3,830,486.76, 5,747,042.34 and 1,307,913.48

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Solution

The fourth proportional to 3,830,486.76, 5,747,042.34 and 1,307,913.48 is: 1,962,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,486.76 : 5,747,042.34 = 1,307,913.48 : x
  2. Step 2: Convert to fraction form
    3,830,486.76/5,747,042.34 = 1,307,913.48/x
  3. Step 3: Cross multiply
    3,830,486.76x = 5,747,042.34 × 1,307,913.48
  4. Step 4: Simplify right side
    3,830,486.76x = 7,516,634,146,616.74
  5. Step 5: Solve for x
    x = 7,516,634,146,616.74/3,830,486.76
  6. Step 6: Final answer
    x = 1,962,318.27

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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.