Finding the Fourth Proportional to 5,340,186.53, 8,010,279.82 and 1,296,647.13
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Solution
The fourth proportional to 5,340,186.53, 8,010,279.82 and 1,296,647.13 is: 1,944,970.70
Step by Step Solution
- Step 1: Write the proportion equation
5,340,186.53 : 8,010,279.82 = 1,296,647.13 : x - Step 2: Convert to fraction form
5,340,186.53/8,010,279.82 = 1,296,647.13/x - Step 3: Cross multiply
5,340,186.53x = 8,010,279.82 × 1,296,647.13 - Step 4: Simplify right side
5,340,186.53x = 10,386,506,310,789.77 - Step 5: Solve for x
x = 10,386,506,310,789.77/5,340,186.53 - Step 6: Final answer
x = 1,944,970.70
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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.