Finding the Fourth Proportional to 2,458,808.19, 3,393,488.12 and 1,440,618.75
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Solution
The fourth proportional to 2,458,808.19, 3,393,488.12 and 1,440,618.75 is: 1,988,248.87
Step by Step Solution
- Step 1: Write the proportion equation
2,458,808.19 : 3,393,488.12 = 1,440,618.75 : x - Step 2: Convert to fraction form
2,458,808.19/3,393,488.12 = 1,440,618.75/x - Step 3: Cross multiply
2,458,808.19x = 3,393,488.12 × 1,440,618.75 - Step 4: Simplify right side
2,458,808.19x = 4,888,722,606,371.16 - Step 5: Solve for x
x = 4,888,722,606,371.16/2,458,808.19 - Step 6: Final answer
x = 1,988,248.87
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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.