Finding the Fourth Proportional to 3,397,388.00, 4,688,589.42 and 1,947,325.05
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Solution
The fourth proportional to 3,397,388.00, 4,688,589.42 and 1,947,325.05 is: 2,687,419.76
Step by Step Solution
- Step 1: Write the proportion equation
3,397,388.00 : 4,688,589.42 = 1,947,325.05 : x - Step 2: Convert to fraction form
3,397,388.00/4,688,589.42 = 1,947,325.05/x - Step 3: Cross multiply
3,397,388.00x = 4,688,589.42 × 1,947,325.05 - Step 4: Simplify right side
3,397,388.00x = 9,130,207,626,730.97 - Step 5: Solve for x
x = 9,130,207,626,730.97/3,397,388.00 - Step 6: Final answer
x = 2,687,419.76
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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.