Finding the Fourth Proportional to 6,817,678.74, 9,405,026.37 and 4,461,481.62
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Solution
The fourth proportional to 6,817,678.74, 9,405,026.37 and 4,461,481.62 is: 6,154,639.12
Step by Step Solution
- Step 1: Write the proportion equation
6,817,678.74 : 9,405,026.37 = 4,461,481.62 : x - Step 2: Convert to fraction form
6,817,678.74/9,405,026.37 = 4,461,481.62/x - Step 3: Cross multiply
6,817,678.74x = 9,405,026.37 × 4,461,481.62 - Step 4: Simplify right side
6,817,678.74x = 41,960,352,285,370.32 - Step 5: Solve for x
x = 41,960,352,285,370.32/6,817,678.74 - Step 6: Final answer
x = 6,154,639.12
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1.5x scale
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.