Finding the Fourth Proportional to 6,331,171.84, 8,737,460.50 and 3,578,113.68
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Solution
The fourth proportional to 6,331,171.84, 8,737,460.50 and 3,578,113.68 is: 4,938,047.45
Step by Step Solution
- Step 1: Write the proportion equation
6,331,171.84 : 8,737,460.50 = 3,578,113.68 : x - Step 2: Convert to fraction form
6,331,171.84/8,737,460.50 = 3,578,113.68/x - Step 3: Cross multiply
6,331,171.84x = 8,737,460.50 × 3,578,113.68 - Step 4: Simplify right side
6,331,171.84x = 31,263,626,943,509.64 - Step 5: Solve for x
x = 31,263,626,943,509.64/6,331,171.84 - Step 6: Final answer
x = 4,938,047.45
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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.