Finding the Fourth Proportional to 3,151,944.98, 4,349,847.09 and 1,927,866.74
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Solution
The fourth proportional to 3,151,944.98, 4,349,847.09 and 1,927,866.74 is: 2,660,555.81
Step by Step Solution
- Step 1: Write the proportion equation
3,151,944.98 : 4,349,847.09 = 1,927,866.74 : x - Step 2: Convert to fraction form
3,151,944.98/4,349,847.09 = 1,927,866.74/x - Step 3: Cross multiply
3,151,944.98x = 4,349,847.09 × 1,927,866.74 - Step 4: Simplify right side
3,151,944.98x = 8,385,925,528,896.79 - Step 5: Solve for x
x = 8,385,925,528,896.79/3,151,944.98 - Step 6: Final answer
x = 2,660,555.81
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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.