Finding the Fourth Proportional to 2,109,563.99, 2,911,129.96 and 1,179,247
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Solution
The fourth proportional to 2,109,563.99, 2,911,129.96 and 1,179,247 is: 1,627,322.65
Step by Step Solution
- Step 1: Write the proportion equation
2,109,563.99 : 2,911,129.96 = 1,179,247 : x - Step 2: Convert to fraction form
2,109,563.99/2,911,129.96 = 1,179,247/x - Step 3: Cross multiply
2,109,563.99x = 2,911,129.96 × 1,179,247 - Step 4: Simplify right side
2,109,563.99x = 3,432,941,271,940.12 - Step 5: Solve for x
x = 3,432,941,271,940.12/2,109,563.99 - Step 6: Final answer
x = 1,627,322.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.