Finding the Fourth Proportional to 5,228,622.99, 7,214,317.51 and 3,163,587.20
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Solution
The fourth proportional to 5,228,622.99, 7,214,317.51 and 3,163,587.20 is: 4,365,035.04
Step by Step Solution
- Step 1: Write the proportion equation
5,228,622.99 : 7,214,317.51 = 3,163,587.20 : x - Step 2: Convert to fraction form
5,228,622.99/7,214,317.51 = 3,163,587.20/x - Step 3: Cross multiply
5,228,622.99x = 7,214,317.51 × 3,163,587.20 - Step 4: Simplify right side
5,228,622.99x = 22,823,122,515,553.94 - Step 5: Solve for x
x = 22,823,122,515,553.94/5,228,622.99 - Step 6: Final answer
x = 4,365,035.04
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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.