Finding the Fourth Proportional to 1,539,452.12, 2,124,438.60 and 860,388.62
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Solution
The fourth proportional to 1,539,452.12, 2,124,438.60 and 860,388.62 is: 1,187,333.32
Step by Step Solution
- Step 1: Write the proportion equation
1,539,452.12 : 2,124,438.60 = 860,388.62 : x - Step 2: Convert to fraction form
1,539,452.12/2,124,438.60 = 860,388.62/x - Step 3: Cross multiply
1,539,452.12x = 2,124,438.60 × 860,388.62 - Step 4: Simplify right side
1,539,452.12x = 1,827,842,799,882.96 - Step 5: Solve for x
x = 1,827,842,799,882.96/1,539,452.12 - Step 6: Final answer
x = 1,187,333.32
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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.