Finding the Fourth Proportional to 4,862,394.19, 7,293,902.34 and 1,870,578.19
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Solution
The fourth proportional to 4,862,394.19, 7,293,902.34 and 1,870,578.19 is: 2,805,986.95
Step by Step Solution
- Step 1: Write the proportion equation
4,862,394.19 : 7,293,902.34 = 1,870,578.19 : x - Step 2: Convert to fraction form
4,862,394.19/7,293,902.34 = 1,870,578.19/x - Step 3: Cross multiply
4,862,394.19x = 7,293,902.34 × 1,870,578.19 - Step 4: Simplify right side
4,862,394.19x = 13,643,814,637,193.96 - Step 5: Solve for x
x = 13,643,814,637,193.96/4,862,394.19 - Step 6: Final answer
x = 2,805,986.95
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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.