Finding the Fourth Proportional to 6,397,804.48, 8,828,970.60 and 3,497,206.84
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Solution
The fourth proportional to 6,397,804.48, 8,828,970.60 and 3,497,206.84 is: 4,826,145.67
Step by Step Solution
- Step 1: Write the proportion equation
6,397,804.48 : 8,828,970.60 = 3,497,206.84 : x - Step 2: Convert to fraction form
6,397,804.48/8,828,970.60 = 3,497,206.84/x - Step 3: Cross multiply
6,397,804.48x = 8,828,970.60 × 3,497,206.84 - Step 4: Simplify right side
6,397,804.48x = 30,876,736,372,478.90 - Step 5: Solve for x
x = 30,876,736,372,478.90/6,397,804.48 - Step 6: Final answer
x = 4,826,145.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.