Finding the Fourth Proportional to 6,889,968.60, 10,334,952.90 and 2,097,619.80
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Solution
The fourth proportional to 6,889,968.60, 10,334,952.90 and 2,097,619.80 is: 3,146,429.70
Step by Step Solution
- Step 1: Write the proportion equation
6,889,968.60 : 10,334,952.90 = 2,097,619.80 : x - Step 2: Convert to fraction form
6,889,968.60/10,334,952.90 = 2,097,619.80/x - Step 3: Cross multiply
6,889,968.60x = 10,334,952.90 × 2,097,619.80 - Step 4: Simplify right side
6,889,968.60x = 21,678,801,835,107.42 - Step 5: Solve for x
x = 21,678,801,835,107.42/6,889,968.60 - Step 6: Final answer
x = 3,146,429.70
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1.5x scale
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.