Finding the Fourth Proportional to 1,802,505.16, 2,487,286.92 and 1,077,208.48
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Solution
The fourth proportional to 1,802,505.16, 2,487,286.92 and 1,077,208.48 is: 1,486,445.99
Step by Step Solution
- Step 1: Write the proportion equation
1,802,505.16 : 2,487,286.92 = 1,077,208.48 : x - Step 2: Convert to fraction form
1,802,505.16/2,487,286.92 = 1,077,208.48/x - Step 3: Cross multiply
1,802,505.16x = 2,487,286.92 × 1,077,208.48 - Step 4: Simplify right side
1,802,505.16x = 2,679,326,562,417.08 - Step 5: Solve for x
x = 2,679,326,562,417.08/1,802,505.16 - Step 6: Final answer
x = 1,486,445.99
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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.