Finding the Fourth Proportional to 1,478,240.24, 2,039,238.16 and 954,770.84
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Solution
The fourth proportional to 1,478,240.24, 2,039,238.16 and 954,770.84 is: 1,317,110.09
Step by Step Solution
- Step 1: Write the proportion equation
1,478,240.24 : 2,039,238.16 = 954,770.84 : x - Step 2: Convert to fraction form
1,478,240.24/2,039,238.16 = 954,770.84/x - Step 3: Cross multiply
1,478,240.24x = 2,039,238.16 × 954,770.84 - Step 4: Simplify right side
1,478,240.24x = 1,947,005,130,983.25 - Step 5: Solve for x
x = 1,947,005,130,983.25/1,478,240.24 - Step 6: Final answer
x = 1,317,110.09
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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.