Home / 3,387,416.36-4,674,614.64-1,838,708.78

Finding the Fourth Proportional to 3,387,416.36, 4,674,614.64 and 1,838,708.78

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Solution

The fourth proportional to 3,387,416.36, 4,674,614.64 and 1,838,708.78 is: 2,537,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,416.36 : 4,674,614.64 = 1,838,708.78 : x
  2. Step 2: Convert to fraction form
    3,387,416.36/4,674,614.64 = 1,838,708.78/x
  3. Step 3: Cross multiply
    3,387,416.36x = 4,674,614.64 × 1,838,708.78
  4. Step 4: Simplify right side
    3,387,416.36x = 8,595,254,981,684.54
  5. Step 5: Solve for x
    x = 8,595,254,981,684.54/3,387,416.36
  6. Step 6: Final answer
    x = 2,537,407.29

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1.5x scale

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.