Finding the Fourth Proportional to 3,886,781.19, 5,790,281.14 and 3,711,904.53
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Solution
The fourth proportional to 3,886,781.19, 5,790,281.14 and 3,711,904.53 is: 5,529,760.93
Step by Step Solution
- Step 1: Write the proportion equation
3,886,781.19 : 5,790,281.14 = 3,711,904.53 : x - Step 2: Convert to fraction form
3,886,781.19/5,790,281.14 = 3,711,904.53/x - Step 3: Cross multiply
3,886,781.19x = 5,790,281.14 × 3,711,904.53 - Step 4: Simplify right side
3,886,781.19x = 21,492,970,784,259.80 - Step 5: Solve for x
x = 21,492,970,784,259.80/3,886,781.19 - Step 6: Final answer
x = 5,529,760.93
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.