Finding the Fourth Proportional to 5,017,909.25, 6,924,856.66 and 2,842,451.75
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Solution
The fourth proportional to 5,017,909.25, 6,924,856.66 and 2,842,451.75 is: 3,922,663.79
Step by Step Solution
- Step 1: Write the proportion equation
5,017,909.25 : 6,924,856.66 = 2,842,451.75 : x - Step 2: Convert to fraction form
5,017,909.25/6,924,856.66 = 2,842,451.75/x - Step 3: Cross multiply
5,017,909.25x = 6,924,856.66 × 2,842,451.75 - Step 4: Simplify right side
5,017,909.25x = 19,683,570,902,969.85 - Step 5: Solve for x
x = 19,683,570,902,969.85/5,017,909.25 - Step 6: Final answer
x = 3,922,663.79
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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.