Finding the Fourth Proportional to 2,129,294.16, 2,938,372.20 and 1,162,452.24
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Solution
The fourth proportional to 2,129,294.16, 2,938,372.20 and 1,162,452.24 is: 1,604,154.75
Step by Step Solution
- Step 1: Write the proportion equation
2,129,294.16 : 2,938,372.20 = 1,162,452.24 : x - Step 2: Convert to fraction form
2,129,294.16/2,938,372.20 = 1,162,452.24/x - Step 3: Cross multiply
2,129,294.16x = 2,938,372.20 × 1,162,452.24 - Step 4: Simplify right side
2,129,294.16x = 3,415,717,345,843.73 - Step 5: Solve for x
x = 3,415,717,345,843.73/2,129,294.16 - Step 6: Final answer
x = 1,604,154.75
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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.