Finding the Fourth Proportional to 7,776,552.40, 11,661,329.40 and 2,982,648.40
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Solution
The fourth proportional to 7,776,552.40, 11,661,329.40 and 2,982,648.40 is: 4,472,630.50
Step by Step Solution
- Step 1: Write the proportion equation
7,776,552.40 : 11,661,329.40 = 2,982,648.40 : x - Step 2: Convert to fraction form
7,776,552.40/11,661,329.40 = 2,982,648.40/x - Step 3: Cross multiply
7,776,552.40x = 11,661,329.40 × 2,982,648.40 - Step 4: Simplify right side
7,776,552.40x = 34,781,645,476,782.96 - Step 5: Solve for x
x = 34,781,645,476,782.96/7,776,552.40 - Step 6: Final answer
x = 4,472,630.50
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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.