Finding the Fourth Proportional to 4,866,039.36, 6,714,845.79 and 2,690,411.76
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Solution
The fourth proportional to 4,866,039.36, 6,714,845.79 and 2,690,411.76 is: 3,712,608.70
Step by Step Solution
- Step 1: Write the proportion equation
4,866,039.36 : 6,714,845.79 = 2,690,411.76 : x - Step 2: Convert to fraction form
4,866,039.36/6,714,845.79 = 2,690,411.76/x - Step 3: Cross multiply
4,866,039.36x = 6,714,845.79 × 2,690,411.76 - Step 4: Simplify right side
4,866,039.36x = 18,065,700,080,002.49 - Step 5: Solve for x
x = 18,065,700,080,002.49/4,866,039.36 - Step 6: Final answer
x = 3,712,608.70
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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.