Finding the Fourth Proportional to 1,461,881.97, 2,189,416.69 and 1,421,524.53
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Solution
The fourth proportional to 1,461,881.97, 2,189,416.69 and 1,421,524.53 is: 2,128,974.57
Step by Step Solution
- Step 1: Write the proportion equation
1,461,881.97 : 2,189,416.69 = 1,421,524.53 : x - Step 2: Convert to fraction form
1,461,881.97/2,189,416.69 = 1,421,524.53/x - Step 3: Cross multiply
1,461,881.97x = 2,189,416.69 × 1,421,524.53 - Step 4: Simplify right side
1,461,881.97x = 3,112,309,531,226.41 - Step 5: Solve for x
x = 3,112,309,531,226.41/1,461,881.97 - Step 6: Final answer
x = 2,128,974.57
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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.