Finding the Fourth Proportional to 4,639,117.74, 6,957,008.01 and 1,605,660.18
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Solution
The fourth proportional to 4,639,117.74, 6,957,008.01 and 1,605,660.18 is: 2,407,912.75
Step by Step Solution
- Step 1: Write the proportion equation
4,639,117.74 : 6,957,008.01 = 1,605,660.18 : x - Step 2: Convert to fraction form
4,639,117.74/6,957,008.01 = 1,605,660.18/x - Step 3: Cross multiply
4,639,117.74x = 6,957,008.01 × 1,605,660.18 - Step 4: Simplify right side
4,639,117.74x = 11,170,590,733,598.04 - Step 5: Solve for x
x = 11,170,590,733,598.04/4,639,117.74 - Step 6: Final answer
x = 2,407,912.75
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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.