Finding the Fourth Proportional to 2,590,409.80, 3,885,614.70 and 1,834,582.60
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Solution
The fourth proportional to 2,590,409.80, 3,885,614.70 and 1,834,582.60 is: 2,751,873.90
Step by Step Solution
- Step 1: Write the proportion equation
2,590,409.80 : 3,885,614.70 = 1,834,582.60 : x - Step 2: Convert to fraction form
2,590,409.80/3,885,614.70 = 1,834,582.60/x - Step 3: Cross multiply
2,590,409.80x = 3,885,614.70 × 1,834,582.60 - Step 4: Simplify right side
2,590,409.80x = 7,128,481,118,924.22 - Step 5: Solve for x
x = 7,128,481,118,924.22/2,590,409.80 - Step 6: Final answer
x = 2,751,873.90
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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.