Finding the Fourth Proportional to 5,276,295.84, 7,913,248.20 and 2,679,968.82
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Solution
The fourth proportional to 5,276,295.84, 7,913,248.20 and 2,679,968.82 is: 4,019,345.97
Step by Step Solution
- Step 1: Write the proportion equation
5,276,295.84 : 7,913,248.20 = 2,679,968.82 : x - Step 2: Convert to fraction form
5,276,295.84/7,913,248.20 = 2,679,968.82/x - Step 3: Cross multiply
5,276,295.84x = 7,913,248.20 × 2,679,968.82 - Step 4: Simplify right side
5,276,295.84x = 21,207,258,440,921.12 - Step 5: Solve for x
x = 21,207,258,440,921.12/5,276,295.84 - Step 6: Final answer
x = 4,019,345.97
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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.