Finding the Fourth Proportional to 2,267,578.24, 3,129,257.68 and 1,248,982.96
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Solution
The fourth proportional to 2,267,578.24, 3,129,257.68 and 1,248,982.96 is: 1,723,596.32
Step by Step Solution
- Step 1: Write the proportion equation
2,267,578.24 : 3,129,257.68 = 1,248,982.96 : x - Step 2: Convert to fraction form
2,267,578.24/3,129,257.68 = 1,248,982.96/x - Step 3: Cross multiply
2,267,578.24x = 3,129,257.68 × 1,248,982.96 - Step 4: Simplify right side
2,267,578.24x = 3,908,389,519,769.13 - Step 5: Solve for x
x = 3,908,389,519,769.13/2,267,578.24 - Step 6: Final answer
x = 1,723,596.32
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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.