Finding the Fourth Proportional to 2,398,324.24, 3,309,876.12 and 1,365,875.68
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Solution
The fourth proportional to 2,398,324.24, 3,309,876.12 and 1,365,875.68 is: 1,885,015.89
Step by Step Solution
- Step 1: Write the proportion equation
2,398,324.24 : 3,309,876.12 = 1,365,875.68 : x - Step 2: Convert to fraction form
2,398,324.24/3,309,876.12 = 1,365,875.68/x - Step 3: Cross multiply
2,398,324.24x = 3,309,876.12 × 1,365,875.68 - Step 4: Simplify right side
2,398,324.24x = 4,520,879,296,120.76 - Step 5: Solve for x
x = 4,520,879,296,120.76/2,398,324.24 - Step 6: Final answer
x = 1,885,015.89
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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.