Home / 3,531,904.50-5,298,646.50-1,288,042.50

Finding the Fourth Proportional to 3,531,904.50, 5,298,646.50 and 1,288,042.50

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Solution

The fourth proportional to 3,531,904.50, 5,298,646.50 and 1,288,042.50 is: 1,932,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,904.50 : 5,298,646.50 = 1,288,042.50 : x
  2. Step 2: Convert to fraction form
    3,531,904.50/5,298,646.50 = 1,288,042.50/x
  3. Step 3: Cross multiply
    3,531,904.50x = 5,298,646.50 × 1,288,042.50
  4. Step 4: Simplify right side
    3,531,904.50x = 6,824,881,884,476.25
  5. Step 5: Solve for x
    x = 6,824,881,884,476.25/3,531,904.50
  6. Step 6: Final answer
    x = 1,932,351.76

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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.