Finding the Fourth Proportional to 2,239,670.36, 3,090,611.94 and 1,272,666.44
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Solution
The fourth proportional to 2,239,670.36, 3,090,611.94 and 1,272,666.44 is: 1,756,204.02
Step by Step Solution
- Step 1: Write the proportion equation
2,239,670.36 : 3,090,611.94 = 1,272,666.44 : x - Step 2: Convert to fraction form
2,239,670.36/3,090,611.94 = 1,272,666.44/x - Step 3: Cross multiply
2,239,670.36x = 3,090,611.94 × 1,272,666.44 - Step 4: Simplify right side
2,239,670.36x = 3,933,318,098,055.32 - Step 5: Solve for x
x = 3,933,318,098,055.32/2,239,670.36 - Step 6: Final answer
x = 1,756,204.02
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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.