Finding the Fourth Proportional to 1,539,581.63, 2,309,129.84 and 514,904.10
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Solution
The fourth proportional to 1,539,581.63, 2,309,129.84 and 514,904.10 is: 772,275.01
Step by Step Solution
- Step 1: Write the proportion equation
1,539,581.63 : 2,309,129.84 = 514,904.10 : x - Step 2: Convert to fraction form
1,539,581.63/2,309,129.84 = 514,904.10/x - Step 3: Cross multiply
1,539,581.63x = 2,309,129.84 × 514,904.10 - Step 4: Simplify right side
1,539,581.63x = 1,188,980,419,473.82 - Step 5: Solve for x
x = 1,188,980,419,473.82/1,539,581.63 - Step 6: Final answer
x = 772,275.01
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1.5x scale
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.