Finding the Fourth Proportional to 5,334,904.66, 7,362,167.81 and 2,887,515.26
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Solution
The fourth proportional to 5,334,904.66, 7,362,167.81 and 2,887,515.26 is: 3,984,770.72
Step by Step Solution
- Step 1: Write the proportion equation
5,334,904.66 : 7,362,167.81 = 2,887,515.26 : x - Step 2: Convert to fraction form
5,334,904.66/7,362,167.81 = 2,887,515.26/x - Step 3: Cross multiply
5,334,904.66x = 7,362,167.81 × 2,887,515.26 - Step 4: Simplify right side
5,334,904.66x = 21,258,371,898,055.78 - Step 5: Solve for x
x = 21,258,371,898,055.78/5,334,904.66 - Step 6: Final answer
x = 3,984,770.72
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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.