Finding the Fourth Proportional to 2,274,420.75, 3,136,141.85 and 1,859,663.49
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Solution
The fourth proportional to 2,274,420.75, 3,136,141.85 and 1,859,663.49 is: 2,564,243.44
Step by Step Solution
- Step 1: Write the proportion equation
2,274,420.75 : 3,136,141.85 = 1,859,663.49 : x - Step 2: Convert to fraction form
2,274,420.75/3,136,141.85 = 1,859,663.49/x - Step 3: Cross multiply
2,274,420.75x = 3,136,141.85 × 1,859,663.49 - Step 4: Simplify right side
2,274,420.75x = 5,832,168,488,607.74 - Step 5: Solve for x
x = 5,832,168,488,607.74/2,274,420.75 - Step 6: Final answer
x = 2,564,243.44
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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.