Finding the Fourth Proportional to 2,558,469.42, 3,529,290.42 and 1,782,871.74
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Solution
The fourth proportional to 2,558,469.42, 3,529,290.42 and 1,782,871.74 is: 2,459,389.24
Step by Step Solution
- Step 1: Write the proportion equation
2,558,469.42 : 3,529,290.42 = 1,782,871.74 : x - Step 2: Convert to fraction form
2,558,469.42/3,529,290.42 = 1,782,871.74/x - Step 3: Cross multiply
2,558,469.42x = 3,529,290.42 × 1,782,871.74 - Step 4: Simplify right side
2,558,469.42x = 6,292,272,152,070.73 - Step 5: Solve for x
x = 6,292,272,152,070.73/2,558,469.42 - Step 6: Final answer
x = 2,459,389.24
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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.