Finding the Fourth Proportional to 4,168,410.60, 6,252,032.70 and 1,328,809.80
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Solution
The fourth proportional to 4,168,410.60, 6,252,032.70 and 1,328,809.80 is: 1,993,028.79
Step by Step Solution
- Step 1: Write the proportion equation
4,168,410.60 : 6,252,032.70 = 1,328,809.80 : x - Step 2: Convert to fraction form
4,168,410.60/6,252,032.70 = 1,328,809.80/x - Step 3: Cross multiply
4,168,410.60x = 6,252,032.70 × 1,328,809.80 - Step 4: Simplify right side
4,168,410.60x = 8,307,762,321,680.46 - Step 5: Solve for x
x = 8,307,762,321,680.46/4,168,410.60 - Step 6: Final answer
x = 1,993,028.79
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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.