Finding the Fourth Proportional to 5,320,068.18, 7,981,224.30 and 1,725,555.97
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Solution
The fourth proportional to 5,320,068.18, 7,981,224.30 and 1,725,555.97 is: 2,588,697.88
Step by Step Solution
- Step 1: Write the proportion equation
5,320,068.18 : 7,981,224.30 = 1,725,555.97 : x - Step 2: Convert to fraction form
5,320,068.18/7,981,224.30 = 1,725,555.97/x - Step 3: Cross multiply
5,320,068.18x = 7,981,224.30 × 1,725,555.97 - Step 4: Simplify right side
5,320,068.18x = 13,772,049,238,774.07 - Step 5: Solve for x
x = 13,772,049,238,774.07/5,320,068.18 - Step 6: Final answer
x = 2,588,697.88
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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.