Finding the Fourth Proportional to 2,054,655.81, 2,835,176.58 and 1,183,775.40
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Solution
The fourth proportional to 2,054,655.81, 2,835,176.58 and 1,183,775.40 is: 1,633,466.92
Step by Step Solution
- Step 1: Write the proportion equation
2,054,655.81 : 2,835,176.58 = 1,183,775.40 : x - Step 2: Convert to fraction form
2,054,655.81/2,835,176.58 = 1,183,775.40/x - Step 3: Cross multiply
2,054,655.81x = 2,835,176.58 × 1,183,775.40 - Step 4: Simplify right side
2,054,655.81x = 3,356,212,290,060.13 - Step 5: Solve for x
x = 3,356,212,290,060.13/2,054,655.81 - Step 6: Final answer
x = 1,633,466.92
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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.