Finding the Fourth Proportional to 1,403,445.30, 2,102,057.55 and 1,086,875.70
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Solution
The fourth proportional to 1,403,445.30, 2,102,057.55 and 1,086,875.70 is: 1,627,904.75
Step by Step Solution
- Step 1: Write the proportion equation
1,403,445.30 : 2,102,057.55 = 1,086,875.70 : x - Step 2: Convert to fraction form
1,403,445.30/2,102,057.55 = 1,086,875.70/x - Step 3: Cross multiply
1,403,445.30x = 2,102,057.55 × 1,086,875.70 - Step 4: Simplify right side
1,403,445.30x = 2,284,675,271,096.53 - Step 5: Solve for x
x = 2,284,675,271,096.53/1,403,445.30 - Step 6: Final answer
x = 1,627,904.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.