Finding the Fourth Proportional to 5,116,417.92, 7,060,542.66 and 2,793,221.28
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Solution
The fourth proportional to 5,116,417.92, 7,060,542.66 and 2,793,221.28 is: 3,854,583.09
Step by Step Solution
- Step 1: Write the proportion equation
5,116,417.92 : 7,060,542.66 = 2,793,221.28 : x - Step 2: Convert to fraction form
5,116,417.92/7,060,542.66 = 2,793,221.28/x - Step 3: Cross multiply
5,116,417.92x = 7,060,542.66 × 2,793,221.28 - Step 4: Simplify right side
5,116,417.92x = 19,721,658,006,259.80 - Step 5: Solve for x
x = 19,721,658,006,259.80/5,116,417.92 - Step 6: Final answer
x = 3,854,583.09
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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.