Finding the Fourth Proportional to 2,578,342.22, 3,557,903.97 and 1,490,683.91
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Solution
The fourth proportional to 2,578,342.22, 3,557,903.97 and 1,490,683.91 is: 2,057,023.37
Step by Step Solution
- Step 1: Write the proportion equation
2,578,342.22 : 3,557,903.97 = 1,490,683.91 : x - Step 2: Convert to fraction form
2,578,342.22/3,557,903.97 = 1,490,683.91/x - Step 3: Cross multiply
2,578,342.22x = 3,557,903.97 × 1,490,683.91 - Step 4: Simplify right side
2,578,342.22x = 5,303,710,183,614.60 - Step 5: Solve for x
x = 5,303,710,183,614.60/2,578,342.22 - Step 6: Final answer
x = 2,057,023.37
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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.