Finding the Fourth Proportional to 4,865,550.76, 6,714,341.70 and 2,690,037.88
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Solution
The fourth proportional to 4,865,550.76, 6,714,341.70 and 2,690,037.88 is: 3,712,186.84
Step by Step Solution
- Step 1: Write the proportion equation
4,865,550.76 : 6,714,341.70 = 2,690,037.88 : x - Step 2: Convert to fraction form
4,865,550.76/6,714,341.70 = 2,690,037.88/x - Step 3: Cross multiply
4,865,550.76x = 6,714,341.70 × 2,690,037.88 - Step 4: Simplify right side
4,865,550.76x = 18,061,833,512,263.60 - Step 5: Solve for x
x = 18,061,833,512,263.60/4,865,550.76 - Step 6: Final answer
x = 3,712,186.84
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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.