Finding the Fourth Proportional to 5,346,824.49, 7,376,680.55 and 3,512,270.48
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Solution
The fourth proportional to 5,346,824.49, 7,376,680.55 and 3,512,270.48 is: 4,845,660.70
Step by Step Solution
- Step 1: Write the proportion equation
5,346,824.49 : 7,376,680.55 = 3,512,270.48 : x - Step 2: Convert to fraction form
5,346,824.49/7,376,680.55 = 3,512,270.48/x - Step 3: Cross multiply
5,346,824.49x = 7,376,680.55 × 3,512,270.48 - Step 4: Simplify right side
5,346,824.49x = 25,908,897,281,710.41 - Step 5: Solve for x
x = 25,908,897,281,710.41/5,346,824.49 - Step 6: Final answer
x = 4,845,660.70
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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.