Finding the Fourth Proportional to 7,122,471.75, 9,829,019.66 and 3,859,283.95
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Solution
The fourth proportional to 7,122,471.75, 9,829,019.66 and 3,859,283.95 is: 5,325,816.53
Step by Step Solution
- Step 1: Write the proportion equation
7,122,471.75 : 9,829,019.66 = 3,859,283.95 : x - Step 2: Convert to fraction form
7,122,471.75/9,829,019.66 = 3,859,283.95/x - Step 3: Cross multiply
7,122,471.75x = 9,829,019.66 × 3,859,283.95 - Step 4: Simplify right side
7,122,471.75x = 37,932,977,774,203.48 - Step 5: Solve for x
x = 37,932,977,774,203.48/7,122,471.75 - Step 6: Final answer
x = 5,325,816.53
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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.