Finding the Fourth Proportional to 7,946,748, 11,920,236.21 and 2,266,972.92
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Solution
The fourth proportional to 7,946,748, 11,920,236.21 and 2,266,972.92 is: 3,400,491.96
Step by Step Solution
- Step 1: Write the proportion equation
7,946,748 : 11,920,236.21 = 2,266,972.92 : x - Step 2: Convert to fraction form
7,946,748/11,920,236.21 = 2,266,972.92/x - Step 3: Cross multiply
7,946,748x = 11,920,236.21 × 2,266,972.92 - Step 4: Simplify right side
7,946,748x = 27,022,852,688,073.43 - Step 5: Solve for x
x = 27,022,852,688,073.43/7,946,748 - Step 6: Final answer
x = 3,400,491.96
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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.