Finding the Fourth Proportional to 1,106,647.62, 1,523,957.81 and 961,387.08
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Solution
The fourth proportional to 1,106,647.62, 1,523,957.81 and 961,387.08 is: 1,323,920.39
Step by Step Solution
- Step 1: Write the proportion equation
1,106,647.62 : 1,523,957.81 = 961,387.08 : x - Step 2: Convert to fraction form
1,106,647.62/1,523,957.81 = 961,387.08/x - Step 3: Cross multiply
1,106,647.62x = 1,523,957.81 × 961,387.08 - Step 4: Simplify right side
1,106,647.62x = 1,465,113,344,192.16 - Step 5: Solve for x
x = 1,465,113,344,192.16/1,106,647.62 - Step 6: Final answer
x = 1,323,920.39
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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.