Finding the Fourth Proportional to 3,553,812.74, 5,330,714.99 and 1,157,653.53
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Solution
The fourth proportional to 3,553,812.74, 5,330,714.99 and 1,157,653.53 is: 1,736,478.95
Step by Step Solution
- Step 1: Write the proportion equation
3,553,812.74 : 5,330,714.99 = 1,157,653.53 : x - Step 2: Convert to fraction form
3,553,812.74/5,330,714.99 = 1,157,653.53/x - Step 3: Cross multiply
3,553,812.74x = 5,330,714.99 × 1,157,653.53 - Step 4: Simplify right side
3,553,812.74x = 6,171,121,019,809.15 - Step 5: Solve for x
x = 6,171,121,019,809.15/3,553,812.74 - Step 6: Final answer
x = 1,736,478.95
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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.