Finding the Fourth Proportional to 2,134,208.79, 2,945,230.98 and 1,167,318.30
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Solution
The fourth proportional to 2,134,208.79, 2,945,230.98 and 1,167,318.30 is: 1,610,911.75
Step by Step Solution
- Step 1: Write the proportion equation
2,134,208.79 : 2,945,230.98 = 1,167,318.30 : x - Step 2: Convert to fraction form
2,134,208.79/2,945,230.98 = 1,167,318.30/x - Step 3: Cross multiply
2,134,208.79x = 2,945,230.98 × 1,167,318.30 - Step 4: Simplify right side
2,134,208.79x = 3,438,022,020,680.93 - Step 5: Solve for x
x = 3,438,022,020,680.93/2,134,208.79 - Step 6: Final answer
x = 1,610,911.75
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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.