Finding the Fourth Proportional to 1,643,440.71, 2,465,161.10 and 445,362.98
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Solution
The fourth proportional to 1,643,440.71, 2,465,161.10 and 445,362.98 is: 668,044.48
Step by Step Solution
- Step 1: Write the proportion equation
1,643,440.71 : 2,465,161.10 = 445,362.98 : x - Step 2: Convert to fraction form
1,643,440.71/2,465,161.10 = 445,362.98/x - Step 3: Cross multiply
1,643,440.71x = 2,465,161.10 × 445,362.98 - Step 4: Simplify right side
1,643,440.71x = 1,097,891,488,626.58 - Step 5: Solve for x
x = 1,097,891,488,626.58/1,643,440.71 - Step 6: Final answer
x = 668,044.48
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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.