Finding the Fourth Proportional to 5,221,877.49, 7,206,083.19 and 2,898,634.68
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Solution
The fourth proportional to 5,221,877.49, 7,206,083.19 and 2,898,634.68 is: 4,000,056.05
Step by Step Solution
- Step 1: Write the proportion equation
5,221,877.49 : 7,206,083.19 = 2,898,634.68 : x - Step 2: Convert to fraction form
5,221,877.49/7,206,083.19 = 2,898,634.68/x - Step 3: Cross multiply
5,221,877.49x = 7,206,083.19 × 2,898,634.68 - Step 4: Simplify right side
5,221,877.49x = 20,887,802,641,499.03 - Step 5: Solve for x
x = 20,887,802,641,499.03/5,221,877.49 - Step 6: Final answer
x = 4,000,056.05
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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.