Finding the Fourth Proportional to 1,657,872.98, 2,287,701.86 and 932,705.09
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Solution
The fourth proportional to 1,657,872.98, 2,287,701.86 and 932,705.09 is: 1,287,041.40
Step by Step Solution
- Step 1: Write the proportion equation
1,657,872.98 : 2,287,701.86 = 932,705.09 : x - Step 2: Convert to fraction form
1,657,872.98/2,287,701.86 = 932,705.09/x - Step 3: Cross multiply
1,657,872.98x = 2,287,701.86 × 932,705.09 - Step 4: Simplify right side
1,657,872.98x = 2,133,751,153,122.43 - Step 5: Solve for x
x = 2,133,751,153,122.43/1,657,872.98 - Step 6: Final answer
x = 1,287,041.40
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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.