Finding the Fourth Proportional to 1,678,526.40, 2,316,366.75 and 914,579.97
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Solution
The fourth proportional to 1,678,526.40, 2,316,366.75 and 914,579.97 is: 1,262,120.53
Step by Step Solution
- Step 1: Write the proportion equation
1,678,526.40 : 2,316,366.75 = 914,579.97 : x - Step 2: Convert to fraction form
1,678,526.40/2,316,366.75 = 914,579.97/x - Step 3: Cross multiply
1,678,526.40x = 2,316,366.75 × 914,579.97 - Step 4: Simplify right side
1,678,526.40x = 2,118,502,632,724.00 - Step 5: Solve for x
x = 2,118,502,632,724.00/1,678,526.40 - Step 6: Final answer
x = 1,262,120.53
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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.