Finding the Fourth Proportional to 2,390,436.84, 3,586,354.74 and 771,174.54
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Solution
The fourth proportional to 2,390,436.84, 3,586,354.74 and 771,174.54 is: 1,156,987.47
Step by Step Solution
- Step 1: Write the proportion equation
2,390,436.84 : 3,586,354.74 = 771,174.54 : x - Step 2: Convert to fraction form
2,390,436.84/3,586,354.74 = 771,174.54/x - Step 3: Cross multiply
2,390,436.84x = 3,586,354.74 × 771,174.54 - Step 4: Simplify right side
2,390,436.84x = 2,765,705,466,896.32 - Step 5: Solve for x
x = 2,765,705,466,896.32/2,390,436.84 - Step 6: Final answer
x = 1,156,987.47
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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.