Finding the Fourth Proportional to 2,616,478.73, 3,609,928.80 and 1,527,965.09
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Solution
The fourth proportional to 2,616,478.73, 3,609,928.80 and 1,527,965.09 is: 2,108,117.72
Step by Step Solution
- Step 1: Write the proportion equation
2,616,478.73 : 3,609,928.80 = 1,527,965.09 : x - Step 2: Convert to fraction form
2,616,478.73/3,609,928.80 = 1,527,965.09/x - Step 3: Cross multiply
2,616,478.73x = 3,609,928.80 × 1,527,965.09 - Step 4: Simplify right side
2,616,478.73x = 5,515,845,192,810.41 - Step 5: Solve for x
x = 5,515,845,192,810.41/2,616,478.73 - Step 6: Final answer
x = 2,108,117.72
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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.