Finding the Fourth Proportional to 4,176,078.40, 6,264,117.60 and 1,336,283.20
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Solution
The fourth proportional to 4,176,078.40, 6,264,117.60 and 1,336,283.20 is: 2,004,424.80
Step by Step Solution
- Step 1: Write the proportion equation
4,176,078.40 : 6,264,117.60 = 1,336,283.20 : x - Step 2: Convert to fraction form
4,176,078.40/6,264,117.60 = 1,336,283.20/x - Step 3: Cross multiply
4,176,078.40x = 6,264,117.60 × 1,336,283.20 - Step 4: Simplify right side
4,176,078.40x = 8,370,635,111,704.32 - Step 5: Solve for x
x = 8,370,635,111,704.32/4,176,078.40 - Step 6: Final answer
x = 2,004,424.80
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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.