Home / 3,847,678.48-5,309,952.60-2,128,771

Finding the Fourth Proportional to 3,847,678.48, 5,309,952.60 and 2,128,771

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Solution

The fourth proportional to 3,847,678.48, 5,309,952.60 and 2,128,771 is: 2,937,790.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,678.48 : 5,309,952.60 = 2,128,771 : x
  2. Step 2: Convert to fraction form
    3,847,678.48/5,309,952.60 = 2,128,771/x
  3. Step 3: Cross multiply
    3,847,678.48x = 5,309,952.60 × 2,128,771
  4. Step 4: Simplify right side
    3,847,678.48x = 11,303,673,106,254.60
  5. Step 5: Solve for x
    x = 11,303,673,106,254.60/3,847,678.48
  6. Step 6: Final answer
    x = 2,937,790.45

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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.