Finding the Fourth Proportional to 3,525,252.79, 4,864,920.74 and 1,915,724.47
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Solution
The fourth proportional to 3,525,252.79, 4,864,920.74 and 1,915,724.47 is: 2,643,738.83
Step by Step Solution
- Step 1: Write the proportion equation
3,525,252.79 : 4,864,920.74 = 1,915,724.47 : x - Step 2: Convert to fraction form
3,525,252.79/4,864,920.74 = 1,915,724.47/x - Step 3: Cross multiply
3,525,252.79x = 4,864,920.74 × 1,915,724.47 - Step 4: Simplify right side
3,525,252.79x = 9,319,847,696,649.89 - Step 5: Solve for x
x = 9,319,847,696,649.89/3,525,252.79 - Step 6: Final answer
x = 2,643,738.83
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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.