Finding the Fourth Proportional to 2,123,488.36, 3,186,541.50 and 861,326.92
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Solution
The fourth proportional to 2,123,488.36, 3,186,541.50 and 861,326.92 is: 1,292,521.32
Step by Step Solution
- Step 1: Write the proportion equation
2,123,488.36 : 3,186,541.50 = 861,326.92 : x - Step 2: Convert to fraction form
2,123,488.36/3,186,541.50 = 861,326.92/x - Step 3: Cross multiply
2,123,488.36x = 3,186,541.50 × 861,326.92 - Step 4: Simplify right side
2,123,488.36x = 2,744,653,975,647.18 - Step 5: Solve for x
x = 2,744,653,975,647.18/2,123,488.36 - Step 6: Final answer
x = 1,292,521.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.