Finding the Fourth Proportional to 4,976,893.98, 6,868,129.68 and 2,801,471.40
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Solution
The fourth proportional to 4,976,893.98, 6,868,129.68 and 2,801,471.40 is: 3,866,039.53
Step by Step Solution
- Step 1: Write the proportion equation
4,976,893.98 : 6,868,129.68 = 2,801,471.40 : x - Step 2: Convert to fraction form
4,976,893.98/6,868,129.68 = 2,801,471.40/x - Step 3: Cross multiply
4,976,893.98x = 6,868,129.68 × 2,801,471.40 - Step 4: Simplify right side
4,976,893.98x = 19,240,868,870,011.15 - Step 5: Solve for x
x = 19,240,868,870,011.15/4,976,893.98 - Step 6: Final answer
x = 3,866,039.53
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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.