Finding the Fourth Proportional to 5,471,637.23, 7,550,889.06 and 2,990,861.23
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Solution
The fourth proportional to 5,471,637.23, 7,550,889.06 and 2,990,861.23 is: 4,127,404.73
Step by Step Solution
- Step 1: Write the proportion equation
5,471,637.23 : 7,550,889.06 = 2,990,861.23 : x - Step 2: Convert to fraction form
5,471,637.23/7,550,889.06 = 2,990,861.23/x - Step 3: Cross multiply
5,471,637.23x = 7,550,889.06 × 2,990,861.23 - Step 4: Simplify right side
5,471,637.23x = 22,583,661,349,287.04 - Step 5: Solve for x
x = 22,583,661,349,287.04/5,471,637.23 - Step 6: Final answer
x = 4,127,404.73
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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.