Finding the Fourth Proportional to 2,158,127.39, 3,236,490.21 and 718,424.08
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Solution
The fourth proportional to 2,158,127.39, 3,236,490.21 and 718,424.08 is: 1,077,402.80
Step by Step Solution
- Step 1: Write the proportion equation
2,158,127.39 : 3,236,490.21 = 718,424.08 : x - Step 2: Convert to fraction form
2,158,127.39/3,236,490.21 = 718,424.08/x - Step 3: Cross multiply
2,158,127.39x = 3,236,490.21 × 718,424.08 - Step 4: Simplify right side
2,158,127.39x = 2,325,172,501,548.26 - Step 5: Solve for x
x = 2,325,172,501,548.26/2,158,127.39 - Step 6: Final answer
x = 1,077,402.80
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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.