Finding the Fourth Proportional to 1,587,119.38, 2,190,367.58 and 898,958.62
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Solution
The fourth proportional to 1,587,119.38, 2,190,367.58 and 898,958.62 is: 1,240,643.80
Step by Step Solution
- Step 1: Write the proportion equation
1,587,119.38 : 2,190,367.58 = 898,958.62 : x - Step 2: Convert to fraction form
1,587,119.38/2,190,367.58 = 898,958.62/x - Step 3: Cross multiply
1,587,119.38x = 2,190,367.58 × 898,958.62 - Step 4: Simplify right side
1,587,119.38x = 1,969,049,815,252.71 - Step 5: Solve for x
x = 1,969,049,815,252.71/1,587,119.38 - Step 6: Final answer
x = 1,240,643.80
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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.