Finding the Fourth Proportional to 3,697,812.88, 5,546,969.91 and 1,138,869.79
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Solution
The fourth proportional to 3,697,812.88, 5,546,969.91 and 1,138,869.79 is: 1,708,381.86
Step by Step Solution
- Step 1: Write the proportion equation
3,697,812.88 : 5,546,969.91 = 1,138,869.79 : x - Step 2: Convert to fraction form
3,697,812.88/5,546,969.91 = 1,138,869.79/x - Step 3: Cross multiply
3,697,812.88x = 5,546,969.91 × 1,138,869.79 - Step 4: Simplify right side
3,697,812.88x = 6,317,276,442,670.60 - Step 5: Solve for x
x = 6,317,276,442,670.60/3,697,812.88 - Step 6: Final answer
x = 1,708,381.86
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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.