Finding the Fourth Proportional to 2,117,462.26, 2,922,087.74 and 1,199,689.59
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Solution
The fourth proportional to 2,117,462.26, 2,922,087.74 and 1,199,689.59 is: 1,655,565.87
Step by Step Solution
- Step 1: Write the proportion equation
2,117,462.26 : 2,922,087.74 = 1,199,689.59 : x - Step 2: Convert to fraction form
2,117,462.26/2,922,087.74 = 1,199,689.59/x - Step 3: Cross multiply
2,117,462.26x = 2,922,087.74 × 1,199,689.59 - Step 4: Simplify right side
2,117,462.26x = 3,505,598,242,744.63 - Step 5: Solve for x
x = 3,505,598,242,744.63/2,117,462.26 - Step 6: Final answer
x = 1,655,565.87
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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.