Finding the Fourth Proportional to 3,868,953.24, 5,338,731.54 and 2,237,113.68
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Solution
The fourth proportional to 3,868,953.24, 5,338,731.54 and 2,237,113.68 is: 3,086,971.75
Step by Step Solution
- Step 1: Write the proportion equation
3,868,953.24 : 5,338,731.54 = 2,237,113.68 : x - Step 2: Convert to fraction form
3,868,953.24/5,338,731.54 = 2,237,113.68/x - Step 3: Cross multiply
3,868,953.24x = 5,338,731.54 × 2,237,113.68 - Step 4: Simplify right side
3,868,953.24x = 11,943,349,361,981.47 - Step 5: Solve for x
x = 11,943,349,361,981.47/3,868,953.24 - Step 6: Final answer
x = 3,086,971.75
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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.