Finding the Fourth Proportional to 1,532,821.74, 2,115,294.58 and 888,615.38
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Solution
The fourth proportional to 1,532,821.74, 2,115,294.58 and 888,615.38 is: 1,226,289.56
Step by Step Solution
- Step 1: Write the proportion equation
1,532,821.74 : 2,115,294.58 = 888,615.38 : x - Step 2: Convert to fraction form
1,532,821.74/2,115,294.58 = 888,615.38/x - Step 3: Cross multiply
1,532,821.74x = 2,115,294.58 × 888,615.38 - Step 4: Simplify right side
1,532,821.74x = 1,879,683,297,018.64 - Step 5: Solve for x
x = 1,879,683,297,018.64/1,532,821.74 - Step 6: Final answer
x = 1,226,289.56
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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.