Finding the Fourth Proportional to 4,559,211.09, 6,838,815.24 and 1,718,658.95
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Solution
The fourth proportional to 4,559,211.09, 6,838,815.24 and 1,718,658.95 is: 2,577,987.89
Step by Step Solution
- Step 1: Write the proportion equation
4,559,211.09 : 6,838,815.24 = 1,718,658.95 : x - Step 2: Convert to fraction form
4,559,211.09/6,838,815.24 = 1,718,658.95/x - Step 3: Cross multiply
4,559,211.09x = 6,838,815.24 × 1,718,658.95 - Step 4: Simplify right side
4,559,211.09x = 11,753,590,985,428.32 - Step 5: Solve for x
x = 11,753,590,985,428.32/4,559,211.09 - Step 6: Final answer
x = 2,577,987.89
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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.