Finding the Fourth Proportional to 1,542,165.60, 2,128,188.24 and 863,102.10
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Solution
The fourth proportional to 1,542,165.60, 2,128,188.24 and 863,102.10 is: 1,191,080.74
Step by Step Solution
- Step 1: Write the proportion equation
1,542,165.60 : 2,128,188.24 = 863,102.10 : x - Step 2: Convert to fraction form
1,542,165.60/2,128,188.24 = 863,102.10/x - Step 3: Cross multiply
1,542,165.60x = 2,128,188.24 × 863,102.10 - Step 4: Simplify right side
1,542,165.60x = 1,836,843,739,139.30 - Step 5: Solve for x
x = 1,836,843,739,139.30/1,542,165.60 - Step 6: Final answer
x = 1,191,080.74
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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.