Finding the Fourth Proportional to 4,846,288.12, 6,688,193.19 and 2,781,971.98
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Solution
The fourth proportional to 4,846,288.12, 6,688,193.19 and 2,781,971.98 is: 3,839,302.50
Step by Step Solution
- Step 1: Write the proportion equation
4,846,288.12 : 6,688,193.19 = 2,781,971.98 : x - Step 2: Convert to fraction form
4,846,288.12/6,688,193.19 = 2,781,971.98/x - Step 3: Cross multiply
4,846,288.12x = 6,688,193.19 × 2,781,971.98 - Step 4: Simplify right side
4,846,288.12x = 18,606,366,061,875.02 - Step 5: Solve for x
x = 18,606,366,061,875.02/4,846,288.12 - Step 6: Final answer
x = 3,839,302.50
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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.