Home / 3,615,128.71-4,988,877.07-2,066,423.64

Finding the Fourth Proportional to 3,615,128.71, 4,988,877.07 and 2,066,423.64

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Solution

The fourth proportional to 3,615,128.71, 4,988,877.07 and 2,066,423.64 is: 2,851,664.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,128.71 : 4,988,877.07 = 2,066,423.64 : x
  2. Step 2: Convert to fraction form
    3,615,128.71/4,988,877.07 = 2,066,423.64/x
  3. Step 3: Cross multiply
    3,615,128.71x = 4,988,877.07 × 2,066,423.64
  4. Step 4: Simplify right side
    3,615,128.71x = 10,309,133,514,501.94
  5. Step 5: Solve for x
    x = 10,309,133,514,501.94/3,615,128.71
  6. Step 6: Final answer
    x = 2,851,664.31

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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.