Finding the Fourth Proportional to 4,990,303.68, 6,886,660.26 and 2,755,153.23
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Solution
The fourth proportional to 4,990,303.68, 6,886,660.26 and 2,755,153.23 is: 3,802,134.19
Step by Step Solution
- Step 1: Write the proportion equation
4,990,303.68 : 6,886,660.26 = 2,755,153.23 : x - Step 2: Convert to fraction form
4,990,303.68/6,886,660.26 = 2,755,153.23/x - Step 3: Cross multiply
4,990,303.68x = 6,886,660.26 × 2,755,153.23 - Step 4: Simplify right side
4,990,303.68x = 18,973,804,259,251.64 - Step 5: Solve for x
x = 18,973,804,259,251.64/4,990,303.68 - Step 6: Final answer
x = 3,802,134.19
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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.