Finding the Fourth Proportional to 6,330,816.54, 8,736,514.51 and 3,430,285.94
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Solution
The fourth proportional to 6,330,816.54, 8,736,514.51 and 3,430,285.94 is: 4,733,787.92
Step by Step Solution
- Step 1: Write the proportion equation
6,330,816.54 : 8,736,514.51 = 3,430,285.94 : x - Step 2: Convert to fraction form
6,330,816.54/8,736,514.51 = 3,430,285.94/x - Step 3: Cross multiply
6,330,816.54x = 8,736,514.51 × 3,430,285.94 - Step 4: Simplify right side
6,330,816.54x = 29,968,742,888,258.99 - Step 5: Solve for x
x = 29,968,742,888,258.99/6,330,816.54 - Step 6: Final answer
x = 4,733,787.92
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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.