Finding the Fourth Proportional to 4,621,214.16, 6,376,784.58 and 2,555,901.54
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Solution
The fourth proportional to 4,621,214.16, 6,376,784.58 and 2,555,901.54 is: 3,526,872.58
Step by Step Solution
- Step 1: Write the proportion equation
4,621,214.16 : 6,376,784.58 = 2,555,901.54 : x - Step 2: Convert to fraction form
4,621,214.16/6,376,784.58 = 2,555,901.54/x - Step 3: Cross multiply
4,621,214.16x = 6,376,784.58 × 2,555,901.54 - Step 4: Simplify right side
4,621,214.16x = 16,298,433,528,270.25 - Step 5: Solve for x
x = 16,298,433,528,270.25/4,621,214.16 - Step 6: Final answer
x = 3,526,872.58
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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.