Finding the Fourth Proportional to 4,643,124.42, 6,407,511.69 and 2,605,933.92
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Solution
The fourth proportional to 4,643,124.42, 6,407,511.69 and 2,605,933.92 is: 3,596,188.80
Step by Step Solution
- Step 1: Write the proportion equation
4,643,124.42 : 6,407,511.69 = 2,605,933.92 : x - Step 2: Convert to fraction form
4,643,124.42/6,407,511.69 = 2,605,933.92/x - Step 3: Cross multiply
4,643,124.42x = 6,407,511.69 × 2,605,933.92 - Step 4: Simplify right side
4,643,124.42x = 16,697,552,023,729.97 - Step 5: Solve for x
x = 16,697,552,023,729.97/4,643,124.42 - Step 6: Final answer
x = 3,596,188.80
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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.