Finding the Fourth Proportional to 2,515,027.08, 3,470,737.32 and 1,369,115.76
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Solution
The fourth proportional to 2,515,027.08, 3,470,737.32 and 1,369,115.76 is: 1,889,379.72
Step by Step Solution
- Step 1: Write the proportion equation
2,515,027.08 : 3,470,737.32 = 1,369,115.76 : x - Step 2: Convert to fraction form
2,515,027.08/3,470,737.32 = 1,369,115.76/x - Step 3: Cross multiply
2,515,027.08x = 3,470,737.32 × 1,369,115.76 - Step 4: Simplify right side
2,515,027.08x = 4,751,841,163,632.16 - Step 5: Solve for x
x = 4,751,841,163,632.16/2,515,027.08 - Step 6: Final answer
x = 1,889,379.72
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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.