Finding the Fourth Proportional to 2,179,855.08, 3,006,495.90 and 1,416,154.68
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Solution
The fourth proportional to 2,179,855.08, 3,006,495.90 and 1,416,154.68 is: 1,953,186.37
Step by Step Solution
- Step 1: Write the proportion equation
2,179,855.08 : 3,006,495.90 = 1,416,154.68 : x - Step 2: Convert to fraction form
2,179,855.08/3,006,495.90 = 1,416,154.68/x - Step 3: Cross multiply
2,179,855.08x = 3,006,495.90 × 1,416,154.68 - Step 4: Simplify right side
2,179,855.08x = 4,257,663,239,185.81 - Step 5: Solve for x
x = 4,257,663,239,185.81/2,179,855.08 - Step 6: Final answer
x = 1,953,186.37
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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.