Finding the Fourth Proportional to 1,992,953.36, 2,750,363.17 and 1,121,844.26
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Solution
The fourth proportional to 1,992,953.36, 2,750,363.17 and 1,121,844.26 is: 1,548,194.35
Step by Step Solution
- Step 1: Write the proportion equation
1,992,953.36 : 2,750,363.17 = 1,121,844.26 : x - Step 2: Convert to fraction form
1,992,953.36/2,750,363.17 = 1,121,844.26/x - Step 3: Cross multiply
1,992,953.36x = 2,750,363.17 × 1,121,844.26 - Step 4: Simplify right side
1,992,953.36x = 3,085,479,139,251.20 - Step 5: Solve for x
x = 3,085,479,139,251.20/1,992,953.36 - Step 6: Final answer
x = 1,548,194.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.