Finding the Fourth Proportional to 1,543,533.06, 2,130,151.68 and 931,676.08
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Solution
The fourth proportional to 1,543,533.06, 2,130,151.68 and 931,676.08 is: 1,285,758.90
Step by Step Solution
- Step 1: Write the proportion equation
1,543,533.06 : 2,130,151.68 = 931,676.08 : x - Step 2: Convert to fraction form
1,543,533.06/2,130,151.68 = 931,676.08/x - Step 3: Cross multiply
1,543,533.06x = 2,130,151.68 × 931,676.08 - Step 4: Simplify right side
1,543,533.06x = 1,984,611,367,027.81 - Step 5: Solve for x
x = 1,984,611,367,027.81/1,543,533.06 - Step 6: Final answer
x = 1,285,758.90
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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.