Finding the Fourth Proportional to 1,547,843.24, 2,135,951.84 and 859,558.77
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Solution
The fourth proportional to 1,547,843.24, 2,135,951.84 and 859,558.77 is: 1,186,151.21
Step by Step Solution
- Step 1: Write the proportion equation
1,547,843.24 : 2,135,951.84 = 859,558.77 : x - Step 2: Convert to fraction form
1,547,843.24/2,135,951.84 = 859,558.77/x - Step 3: Cross multiply
1,547,843.24x = 2,135,951.84 × 859,558.77 - Step 4: Simplify right side
1,547,843.24x = 1,835,976,138,518.53 - Step 5: Solve for x
x = 1,835,976,138,518.53/1,547,843.24 - Step 6: Final answer
x = 1,186,151.21
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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.