Finding the Fourth Proportional to 3,131,173.15, 4,697,494.77 and 972,087.99
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Solution
The fourth proportional to 3,131,173.15, 4,697,494.77 and 972,087.99 is: 1,458,360.18
Step by Step Solution
- Step 1: Write the proportion equation
3,131,173.15 : 4,697,494.77 = 972,087.99 : x - Step 2: Convert to fraction form
3,131,173.15/4,697,494.77 = 972,087.99/x - Step 3: Cross multiply
3,131,173.15x = 4,697,494.77 × 972,087.99 - Step 4: Simplify right side
3,131,173.15x = 4,566,378,249,004.81 - Step 5: Solve for x
x = 4,566,378,249,004.81/3,131,173.15 - Step 6: Final answer
x = 1,458,360.18
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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.