Finding the Fourth Proportional to 1,512,117.40, 2,268,176.10 and 1,334,970.40
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Solution
The fourth proportional to 1,512,117.40, 2,268,176.10 and 1,334,970.40 is: 2,002,455.60
Step by Step Solution
- Step 1: Write the proportion equation
1,512,117.40 : 2,268,176.10 = 1,334,970.40 : x - Step 2: Convert to fraction form
1,512,117.40/2,268,176.10 = 1,334,970.40/x - Step 3: Cross multiply
1,512,117.40x = 2,268,176.10 × 1,334,970.40 - Step 4: Simplify right side
1,512,117.40x = 3,027,947,955,487.44 - Step 5: Solve for x
x = 3,027,947,955,487.44/1,512,117.40 - Step 6: Final answer
x = 2,002,455.60
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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.