Finding the Fourth Proportional to 4,558,118.82, 6,292,140.78 and 2,840,088.18
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Solution
The fourth proportional to 4,558,118.82, 6,292,140.78 and 2,840,088.18 is: 3,920,528.48
Step by Step Solution
- Step 1: Write the proportion equation
4,558,118.82 : 6,292,140.78 = 2,840,088.18 : x - Step 2: Convert to fraction form
4,558,118.82/6,292,140.78 = 2,840,088.18/x - Step 3: Cross multiply
4,558,118.82x = 6,292,140.78 × 2,840,088.18 - Step 4: Simplify right side
4,558,118.82x = 17,870,234,656,173.98 - Step 5: Solve for x
x = 17,870,234,656,173.98/4,558,118.82 - Step 6: Final answer
x = 3,920,528.48
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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.