Finding the Fourth Proportional to 4,972,811.36, 6,862,408.16 and 2,767,659.26
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Solution
The fourth proportional to 4,972,811.36, 6,862,408.16 and 2,767,659.26 is: 3,819,329.97
Step by Step Solution
- Step 1: Write the proportion equation
4,972,811.36 : 6,862,408.16 = 2,767,659.26 : x - Step 2: Convert to fraction form
4,972,811.36/6,862,408.16 = 2,767,659.26/x - Step 3: Cross multiply
4,972,811.36x = 6,862,408.16 × 2,767,659.26 - Step 4: Simplify right side
4,972,811.36x = 18,992,807,441,773.22 - Step 5: Solve for x
x = 18,992,807,441,773.22/4,972,811.36 - Step 6: Final answer
x = 3,819,329.97
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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.