Finding the Fourth Proportional to 3,830,008.71, 5,285,252.98 and 2,087,639.75
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Solution
The fourth proportional to 3,830,008.71, 5,285,252.98 and 2,087,639.75 is: 2,880,856.17
Step by Step Solution
- Step 1: Write the proportion equation
3,830,008.71 : 5,285,252.98 = 2,087,639.75 : x - Step 2: Convert to fraction form
3,830,008.71/5,285,252.98 = 2,087,639.75/x - Step 3: Cross multiply
3,830,008.71x = 5,285,252.98 × 2,087,639.75 - Step 4: Simplify right side
3,830,008.71x = 11,033,704,213,933.66 - Step 5: Solve for x
x = 11,033,704,213,933.66/3,830,008.71 - Step 6: Final answer
x = 2,880,856.17
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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.