Finding the Fourth Proportional to 2,438,564.48, 3,365,273.04 and 1,391,964.32
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Solution
The fourth proportional to 2,438,564.48, 3,365,273.04 and 1,391,964.32 is: 1,920,941.62
Step by Step Solution
- Step 1: Write the proportion equation
2,438,564.48 : 3,365,273.04 = 1,391,964.32 : x - Step 2: Convert to fraction form
2,438,564.48/3,365,273.04 = 1,391,964.32/x - Step 3: Cross multiply
2,438,564.48x = 3,365,273.04 × 1,391,964.32 - Step 4: Simplify right side
2,438,564.48x = 4,684,339,998,737.93 - Step 5: Solve for x
x = 4,684,339,998,737.93/2,438,564.48 - Step 6: Final answer
x = 1,920,941.62
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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.