Finding the Fourth Proportional to 3,834,325.53, 5,291,386.29 and 2,115,496.62
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Solution
The fourth proportional to 3,834,325.53, 5,291,386.29 and 2,115,496.62 is: 2,919,394.75
Step by Step Solution
- Step 1: Write the proportion equation
3,834,325.53 : 5,291,386.29 = 2,115,496.62 : x - Step 2: Convert to fraction form
3,834,325.53/5,291,386.29 = 2,115,496.62/x - Step 3: Cross multiply
3,834,325.53x = 5,291,386.29 × 2,115,496.62 - Step 4: Simplify right side
3,834,325.53x = 11,193,909,811,609.34 - Step 5: Solve for x
x = 11,193,909,811,609.34/3,834,325.53 - Step 6: Final answer
x = 2,919,394.75
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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.