Finding the Fourth Proportional to 3,398,790.74, 4,690,449.88 and 1,850,179.96
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Solution
The fourth proportional to 3,398,790.74, 4,690,449.88 and 1,850,179.96 is: 2,553,312.94
Step by Step Solution
- Step 1: Write the proportion equation
3,398,790.74 : 4,690,449.88 = 1,850,179.96 : x - Step 2: Convert to fraction form
3,398,790.74/4,690,449.88 = 1,850,179.96/x - Step 3: Cross multiply
3,398,790.74x = 4,690,449.88 × 1,850,179.96 - Step 4: Simplify right side
3,398,790.74x = 8,678,176,371,360.40 - Step 5: Solve for x
x = 8,678,176,371,360.40/3,398,790.74 - Step 6: Final answer
x = 2,553,312.94
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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.