Finding the Fourth Proportional to 6,731,479.68, 9,289,441.08 and 3,675,696.72
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Solution
The fourth proportional to 6,731,479.68, 9,289,441.08 and 3,675,696.72 is: 5,072,460.99
Step by Step Solution
- Step 1: Write the proportion equation
6,731,479.68 : 9,289,441.08 = 3,675,696.72 : x - Step 2: Convert to fraction form
6,731,479.68/9,289,441.08 = 3,675,696.72/x - Step 3: Cross multiply
6,731,479.68x = 9,289,441.08 × 3,675,696.72 - Step 4: Simplify right side
6,731,479.68x = 34,145,168,108,389.26 - Step 5: Solve for x
x = 34,145,168,108,389.26/6,731,479.68 - Step 6: Final answer
x = 5,072,460.99
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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.