Finding the Fourth Proportional to 4,917,751.99, 7,372,162.35 and 1,721,134.37
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Solution
The fourth proportional to 4,917,751.99, 7,372,162.35 and 1,721,134.37 is: 2,580,138.66
Step by Step Solution
- Step 1: Write the proportion equation
4,917,751.99 : 7,372,162.35 = 1,721,134.37 : x - Step 2: Convert to fraction form
4,917,751.99/7,372,162.35 = 1,721,134.37/x - Step 3: Cross multiply
4,917,751.99x = 7,372,162.35 × 1,721,134.37 - Step 4: Simplify right side
4,917,751.99x = 12,688,482,020,235.38 - Step 5: Solve for x
x = 12,688,482,020,235.38/4,917,751.99 - Step 6: Final answer
x = 2,580,138.66
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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.