Finding the Fourth Proportional to 5,859,655.42, 8,085,557.62 and 3,378,967.71
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Solution
The fourth proportional to 5,859,655.42, 8,085,557.62 and 3,378,967.71 is: 4,662,533.23
Step by Step Solution
- Step 1: Write the proportion equation
5,859,655.42 : 8,085,557.62 = 3,378,967.71 : x - Step 2: Convert to fraction form
5,859,655.42/8,085,557.62 = 3,378,967.71/x - Step 3: Cross multiply
5,859,655.42x = 8,085,557.62 × 3,378,967.71 - Step 4: Simplify right side
5,859,655.42x = 27,320,838,115,324.45 - Step 5: Solve for x
x = 27,320,838,115,324.45/5,859,655.42 - Step 6: Final answer
x = 4,662,533.23
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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.