Finding the Fourth Proportional to 3,149,083.24, 4,346,328.18 and 1,972,227.76
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Solution
The fourth proportional to 3,149,083.24, 4,346,328.18 and 1,972,227.76 is: 2,722,045.89
Step by Step Solution
- Step 1: Write the proportion equation
3,149,083.24 : 4,346,328.18 = 1,972,227.76 : x - Step 2: Convert to fraction form
3,149,083.24/4,346,328.18 = 1,972,227.76/x - Step 3: Cross multiply
3,149,083.24x = 4,346,328.18 × 1,972,227.76 - Step 4: Simplify right side
3,149,083.24x = 8,571,949,090,666.28 - Step 5: Solve for x
x = 8,571,949,090,666.28/3,149,083.24 - Step 6: Final answer
x = 2,722,045.89
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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.