Finding the Fourth Proportional to 5,440,404.30, 8,160,913.65 and 1,654,010.70
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Solution
The fourth proportional to 5,440,404.30, 8,160,913.65 and 1,654,010.70 is: 2,481,109.45
Step by Step Solution
- Step 1: Write the proportion equation
5,440,404.30 : 8,160,913.65 = 1,654,010.70 : x - Step 2: Convert to fraction form
5,440,404.30/8,160,913.65 = 1,654,010.70/x - Step 3: Cross multiply
5,440,404.30x = 8,160,913.65 × 1,654,010.70 - Step 4: Simplify right side
5,440,404.30x = 13,498,238,498,876.05 - Step 5: Solve for x
x = 13,498,238,498,876.05/5,440,404.30 - Step 6: Final answer
x = 2,481,109.45
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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.