Finding the Fourth Proportional to 2,221,214.97, 3,331,822.49 and 538,318.47
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Solution
The fourth proportional to 2,221,214.97, 3,331,822.49 and 538,318.47 is: 807,477.71
Step by Step Solution
- Step 1: Write the proportion equation
2,221,214.97 : 3,331,822.49 = 538,318.47 : x - Step 2: Convert to fraction form
2,221,214.97/3,331,822.49 = 538,318.47/x - Step 3: Cross multiply
2,221,214.97x = 3,331,822.49 × 538,318.47 - Step 4: Simplify right side
2,221,214.97x = 1,793,581,585,128.39 - Step 5: Solve for x
x = 1,793,581,585,128.39/2,221,214.97 - Step 6: Final answer
x = 807,477.71
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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.