Finding the Fourth Proportional to 1,821,573.86, 2,512,718.12 and 1,176,994.08
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Solution
The fourth proportional to 1,821,573.86, 2,512,718.12 and 1,176,994.08 is: 1,623,570.92
Step by Step Solution
- Step 1: Write the proportion equation
1,821,573.86 : 2,512,718.12 = 1,176,994.08 : x - Step 2: Convert to fraction form
1,821,573.86/2,512,718.12 = 1,176,994.08/x - Step 3: Cross multiply
1,821,573.86x = 2,512,718.12 × 1,176,994.08 - Step 4: Simplify right side
1,821,573.86x = 2,957,454,346,063.76 - Step 5: Solve for x
x = 2,957,454,346,063.76/1,821,573.86 - Step 6: Final answer
x = 1,623,570.92
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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.