Finding the Fourth Proportional to 1,612,425.28, 2,418,987.81 and 490,465.12
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Solution
The fourth proportional to 1,612,425.28, 2,418,987.81 and 490,465.12 is: 735,804.11
Step by Step Solution
- Step 1: Write the proportion equation
1,612,425.28 : 2,418,987.81 = 490,465.12 : x - Step 2: Convert to fraction form
1,612,425.28/2,418,987.81 = 490,465.12/x - Step 3: Cross multiply
1,612,425.28x = 2,418,987.81 × 490,465.12 - Step 4: Simplify right side
1,612,425.28x = 1,186,429,146,510.19 - Step 5: Solve for x
x = 1,186,429,146,510.19/1,612,425.28 - Step 6: Final answer
x = 735,804.11
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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.