Finding the Fourth Proportional to 1,578,706.88, 2,178,613.62 and 853,552.88
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Solution
The fourth proportional to 1,578,706.88, 2,178,613.62 and 853,552.88 is: 1,177,901.96
Step by Step Solution
- Step 1: Write the proportion equation
1,578,706.88 : 2,178,613.62 = 853,552.88 : x - Step 2: Convert to fraction form
1,578,706.88/2,178,613.62 = 853,552.88/x - Step 3: Cross multiply
1,578,706.88x = 2,178,613.62 × 853,552.88 - Step 4: Simplify right side
1,578,706.88x = 1,859,561,918,865.16 - Step 5: Solve for x
x = 1,859,561,918,865.16/1,578,706.88 - Step 6: Final answer
x = 1,177,901.96
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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.