Finding the Fourth Proportional to 4,635,964.74, 6,397,838.10 and 2,570,842.02
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Solution
The fourth proportional to 4,635,964.74, 6,397,838.10 and 2,570,842.02 is: 3,547,876.64
Step by Step Solution
- Step 1: Write the proportion equation
4,635,964.74 : 6,397,838.10 = 2,570,842.02 : x - Step 2: Convert to fraction form
4,635,964.74/6,397,838.10 = 2,570,842.02/x - Step 3: Cross multiply
4,635,964.74x = 6,397,838.10 × 2,570,842.02 - Step 4: Simplify right side
4,635,964.74x = 16,447,831,024,636.96 - Step 5: Solve for x
x = 16,447,831,024,636.96/4,635,964.74 - Step 6: Final answer
x = 3,547,876.64
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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.