Finding the Fourth Proportional to 2,079,458.24, 3,119,484.91 and 640,263.42
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Solution
The fourth proportional to 2,079,458.24, 3,119,484.91 and 640,263.42 is: 960,486.75
Step by Step Solution
- Step 1: Write the proportion equation
2,079,458.24 : 3,119,484.91 = 640,263.42 : x - Step 2: Convert to fraction form
2,079,458.24/3,119,484.91 = 640,263.42/x - Step 3: Cross multiply
2,079,458.24x = 3,119,484.91 × 640,263.42 - Step 4: Simplify right side
2,079,458.24x = 1,997,292,083,313.05 - Step 5: Solve for x
x = 1,997,292,083,313.05/2,079,458.24 - Step 6: Final answer
x = 960,486.75
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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.