Finding the Fourth Proportional to 3,605,716.16, 5,409,295.98 and 1,331,254.40
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Solution
The fourth proportional to 3,605,716.16, 5,409,295.98 and 1,331,254.40 is: 1,997,148.07
Step by Step Solution
- Step 1: Write the proportion equation
3,605,716.16 : 5,409,295.98 = 1,331,254.40 : x - Step 2: Convert to fraction form
3,605,716.16/5,409,295.98 = 1,331,254.40/x - Step 3: Cross multiply
3,605,716.16x = 5,409,295.98 × 1,331,254.40 - Step 4: Simplify right side
3,605,716.16x = 7,201,149,074,277.31 - Step 5: Solve for x
x = 7,201,149,074,277.31/3,605,716.16 - Step 6: Final answer
x = 1,997,148.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.