Finding the Fourth Proportional to 3,869,381.12, 5,804,085.18 and 1,173,729.56
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Solution
The fourth proportional to 3,869,381.12, 5,804,085.18 and 1,173,729.56 is: 1,760,598.44
Step by Step Solution
- Step 1: Write the proportion equation
3,869,381.12 : 5,804,085.18 = 1,173,729.56 : x - Step 2: Convert to fraction form
3,869,381.12/5,804,085.18 = 1,173,729.56/x - Step 3: Cross multiply
3,869,381.12x = 5,804,085.18 × 1,173,729.56 - Step 4: Simplify right side
3,869,381.12x = 6,812,426,344,523.92 - Step 5: Solve for x
x = 6,812,426,344,523.92/3,869,381.12 - Step 6: Final answer
x = 1,760,598.44
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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.