Finding the Fourth Proportional to 1,936,400.19, 2,901,943.05 and 1,225,154.99
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Solution
The fourth proportional to 1,936,400.19, 2,901,943.05 and 1,225,154.99 is: 1,836,051.26
Step by Step Solution
- Step 1: Write the proportion equation
1,936,400.19 : 2,901,943.05 = 1,225,154.99 : x - Step 2: Convert to fraction form
1,936,400.19/2,901,943.05 = 1,225,154.99/x - Step 3: Cross multiply
1,936,400.19x = 2,901,943.05 × 1,225,154.99 - Step 4: Simplify right side
1,936,400.19x = 3,555,330,008,403.32 - Step 5: Solve for x
x = 3,555,330,008,403.32/1,936,400.19 - Step 6: Final answer
x = 1,836,051.26
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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.