Finding the Fourth Proportional to 1,889,296.24, 2,607,130.26 and 1,073,386.72
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Solution
The fourth proportional to 1,889,296.24, 2,607,130.26 and 1,073,386.72 is: 1,481,217.68
Step by Step Solution
- Step 1: Write the proportion equation
1,889,296.24 : 2,607,130.26 = 1,073,386.72 : x - Step 2: Convert to fraction form
1,889,296.24/2,607,130.26 = 1,073,386.72/x - Step 3: Cross multiply
1,889,296.24x = 2,607,130.26 × 1,073,386.72 - Step 4: Simplify right side
1,889,296.24x = 2,798,458,998,394.15 - Step 5: Solve for x
x = 2,798,458,998,394.15/1,889,296.24 - Step 6: Final answer
x = 1,481,217.68
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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.