Finding the Fourth Proportional to 1,534,239.39, 2,118,158.55 and 1,364,003.31
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Solution
The fourth proportional to 1,534,239.39, 2,118,158.55 and 1,364,003.31 is: 1,883,131.99
Step by Step Solution
- Step 1: Write the proportion equation
1,534,239.39 : 2,118,158.55 = 1,364,003.31 : x - Step 2: Convert to fraction form
1,534,239.39/2,118,158.55 = 1,364,003.31/x - Step 3: Cross multiply
1,534,239.39x = 2,118,158.55 × 1,364,003.31 - Step 4: Simplify right side
1,534,239.39x = 2,889,175,273,304.80 - Step 5: Solve for x
x = 2,889,175,273,304.80/1,534,239.39 - Step 6: Final answer
x = 1,883,131.99
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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.