Finding the Fourth Proportional to 1,845,287.70, 2,769,097.95 and 1,087,127.70
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Solution
The fourth proportional to 1,845,287.70, 2,769,097.95 and 1,087,127.70 is: 1,631,378.72
Step by Step Solution
- Step 1: Write the proportion equation
1,845,287.70 : 2,769,097.95 = 1,087,127.70 : x - Step 2: Convert to fraction form
1,845,287.70/2,769,097.95 = 1,087,127.70/x - Step 3: Cross multiply
1,845,287.70x = 2,769,097.95 × 1,087,127.70 - Step 4: Simplify right side
1,845,287.70x = 3,010,363,085,458.22 - Step 5: Solve for x
x = 3,010,363,085,458.22/1,845,287.70 - Step 6: Final answer
x = 1,631,378.72
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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.