Finding the Fourth Proportional to 6,928,724.88, 9,560,805.71 and 3,830,829.66
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Solution
The fourth proportional to 6,928,724.88, 9,560,805.71 and 3,830,829.66 is: 5,286,083.47
Step by Step Solution
- Step 1: Write the proportion equation
6,928,724.88 : 9,560,805.71 = 3,830,829.66 : x - Step 2: Convert to fraction form
6,928,724.88/9,560,805.71 = 3,830,829.66/x - Step 3: Cross multiply
6,928,724.88x = 9,560,805.71 × 3,830,829.66 - Step 4: Simplify right side
6,928,724.88x = 36,625,818,068,211.21 - Step 5: Solve for x
x = 36,625,818,068,211.21/6,928,724.88 - Step 6: Final answer
x = 5,286,083.47
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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.