Finding the Fourth Proportional to 5,478,645.32, 8,219,088.84 and 1,883,945.42
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Solution
The fourth proportional to 5,478,645.32, 8,219,088.84 and 1,883,945.42 is: 2,826,303.56
Step by Step Solution
- Step 1: Write the proportion equation
5,478,645.32 : 8,219,088.84 = 1,883,945.42 : x - Step 2: Convert to fraction form
5,478,645.32/8,219,088.84 = 1,883,945.42/x - Step 3: Cross multiply
5,478,645.32x = 8,219,088.84 × 1,883,945.42 - Step 4: Simplify right side
5,478,645.32x = 15,484,314,776,691.11 - Step 5: Solve for x
x = 15,484,314,776,691.11/5,478,645.32 - Step 6: Final answer
x = 2,826,303.56
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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.