Finding the Fourth Proportional to 2,487,082.48, 3,432,167.19 and 1,399,355.35
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Solution
The fourth proportional to 2,487,082.48, 3,432,167.19 and 1,399,355.35 is: 1,931,106.65
Step by Step Solution
- Step 1: Write the proportion equation
2,487,082.48 : 3,432,167.19 = 1,399,355.35 : x - Step 2: Convert to fraction form
2,487,082.48/3,432,167.19 = 1,399,355.35/x - Step 3: Cross multiply
2,487,082.48x = 3,432,167.19 × 1,399,355.35 - Step 4: Simplify right side
2,487,082.48x = 4,802,821,519,420.97 - Step 5: Solve for x
x = 4,802,821,519,420.97/2,487,082.48 - Step 6: Final answer
x = 1,931,106.65
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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.