Finding the Fourth Proportional to 3,564,601.70, 5,346,902.55 and 2,619,817.70
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Solution
The fourth proportional to 3,564,601.70, 5,346,902.55 and 2,619,817.70 is: 3,929,726.55
Step by Step Solution
- Step 1: Write the proportion equation
3,564,601.70 : 5,346,902.55 = 2,619,817.70 : x - Step 2: Convert to fraction form
3,564,601.70/5,346,902.55 = 2,619,817.70/x - Step 3: Cross multiply
3,564,601.70x = 5,346,902.55 × 2,619,817.70 - Step 4: Simplify right side
3,564,601.70x = 14,007,909,940,665.13 - Step 5: Solve for x
x = 14,007,909,940,665.13/3,564,601.70 - Step 6: Final answer
x = 3,929,726.55
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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.