Finding the Fourth Proportional to 1,628,070.08, 2,246,336 and 974,910.72
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Solution
The fourth proportional to 1,628,070.08, 2,246,336 and 974,910.72 is: 1,345,136.84
Step by Step Solution
- Step 1: Write the proportion equation
1,628,070.08 : 2,246,336 = 974,910.72 : x - Step 2: Convert to fraction form
1,628,070.08/2,246,336 = 974,910.72/x - Step 3: Cross multiply
1,628,070.08x = 2,246,336 × 974,910.72 - Step 4: Simplify right side
1,628,070.08x = 2,189,977,047,121.92 - Step 5: Solve for x
x = 2,189,977,047,121.92/1,628,070.08 - Step 6: Final answer
x = 1,345,136.84
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1.5x scale
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.