Finding the Fourth Proportional to 5,189,495.42, 7,161,503.41 and 2,802,565.75
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Solution
The fourth proportional to 5,189,495.42, 7,161,503.41 and 2,802,565.75 is: 3,867,540.59
Step by Step Solution
- Step 1: Write the proportion equation
5,189,495.42 : 7,161,503.41 = 2,802,565.75 : x - Step 2: Convert to fraction form
5,189,495.42/7,161,503.41 = 2,802,565.75/x - Step 3: Cross multiply
5,189,495.42x = 7,161,503.41 × 2,802,565.75 - Step 4: Simplify right side
5,189,495.42x = 20,070,584,175,374.21 - Step 5: Solve for x
x = 20,070,584,175,374.21/5,189,495.42 - Step 6: Final answer
x = 3,867,540.59
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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.