Finding the Fourth Proportional to 6,422,974.88, 8,862,890.67 and 3,521,602.26
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Solution
The fourth proportional to 6,422,974.88, 8,862,890.67 and 3,521,602.26 is: 4,859,364.46
Step by Step Solution
- Step 1: Write the proportion equation
6,422,974.88 : 8,862,890.67 = 3,521,602.26 : x - Step 2: Convert to fraction form
6,422,974.88/8,862,890.67 = 3,521,602.26/x - Step 3: Cross multiply
6,422,974.88x = 8,862,890.67 × 3,521,602.26 - Step 4: Simplify right side
6,422,974.88x = 31,211,575,813,604.91 - Step 5: Solve for x
x = 31,211,575,813,604.91/6,422,974.88 - Step 6: Final answer
x = 4,859,364.46
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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.