Finding the Fourth Proportional to 6,889,486.56, 10,334,257.70 and 2,790,885.19
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Solution
The fourth proportional to 6,889,486.56, 10,334,257.70 and 2,790,885.19 is: 4,186,339.07
Step by Step Solution
- Step 1: Write the proportion equation
6,889,486.56 : 10,334,257.70 = 2,790,885.19 : x - Step 2: Convert to fraction form
6,889,486.56/10,334,257.70 = 2,790,885.19/x - Step 3: Cross multiply
6,889,486.56x = 10,334,257.70 × 2,790,885.19 - Step 4: Simplify right side
6,889,486.56x = 28,841,726,744,160.13 - Step 5: Solve for x
x = 28,841,726,744,160.13/6,889,486.56 - Step 6: Final answer
x = 4,186,339.07
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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.