Finding the Fourth Proportional to 1,539,233.76, 2,124,147.84 and 860,181.60
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Solution
The fourth proportional to 1,539,233.76, 2,124,147.84 and 860,181.60 is: 1,187,053.54
Step by Step Solution
- Step 1: Write the proportion equation
1,539,233.76 : 2,124,147.84 = 860,181.60 : x - Step 2: Convert to fraction form
1,539,233.76/2,124,147.84 = 860,181.60/x - Step 3: Cross multiply
1,539,233.76x = 2,124,147.84 × 860,181.60 - Step 4: Simplify right side
1,539,233.76x = 1,827,152,887,647.74 - Step 5: Solve for x
x = 1,827,152,887,647.74/1,539,233.76 - Step 6: Final answer
x = 1,187,053.54
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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.