Finding the Fourth Proportional to 3,106,699.74, 4,285,037.18 and 2,073,686.69
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Solution
The fourth proportional to 3,106,699.74, 4,285,037.18 and 2,073,686.69 is: 2,860,213.51
Step by Step Solution
- Step 1: Write the proportion equation
3,106,699.74 : 4,285,037.18 = 2,073,686.69 : x - Step 2: Convert to fraction form
3,106,699.74/4,285,037.18 = 2,073,686.69/x - Step 3: Cross multiply
3,106,699.74x = 4,285,037.18 × 2,073,686.69 - Step 4: Simplify right side
3,106,699.74x = 8,885,824,582,217.94 - Step 5: Solve for x
x = 8,885,824,582,217.94/3,106,699.74 - Step 6: Final answer
x = 2,860,213.51
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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.