Finding the Fourth Proportional to 1,677,846.96, 2,315,464.38 and 913,898.70
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Solution
The fourth proportional to 1,677,846.96, 2,315,464.38 and 913,898.70 is: 1,261,199.58
Step by Step Solution
- Step 1: Write the proportion equation
1,677,846.96 : 2,315,464.38 = 913,898.70 : x - Step 2: Convert to fraction form
1,677,846.96/2,315,464.38 = 913,898.70/x - Step 3: Cross multiply
1,677,846.96x = 2,315,464.38 × 913,898.70 - Step 4: Simplify right side
1,677,846.96x = 2,116,099,886,778.31 - Step 5: Solve for x
x = 2,116,099,886,778.31/1,677,846.96 - Step 6: Final answer
x = 1,261,199.58
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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.