Finding the Fourth Proportional to 5,470,380.16, 8,205,920.40 and 2,104,587.12
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Solution
The fourth proportional to 5,470,380.16, 8,205,920.40 and 2,104,587.12 is: 3,157,015.39
Step by Step Solution
- Step 1: Write the proportion equation
5,470,380.16 : 8,205,920.40 = 2,104,587.12 : x - Step 2: Convert to fraction form
5,470,380.16/8,205,920.40 = 2,104,587.12/x - Step 3: Cross multiply
5,470,380.16x = 8,205,920.40 × 2,104,587.12 - Step 4: Simplify right side
5,470,380.16x = 17,270,074,381,585.25 - Step 5: Solve for x
x = 17,270,074,381,585.25/5,470,380.16 - Step 6: Final answer
x = 3,157,015.39
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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.