Finding the Fourth Proportional to 6,483,079.68, 8,946,627.84 and 3,582,389.76
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Solution
The fourth proportional to 6,483,079.68, 8,946,627.84 and 3,582,389.76 is: 4,943,685.65
Step by Step Solution
- Step 1: Write the proportion equation
6,483,079.68 : 8,946,627.84 = 3,582,389.76 : x - Step 2: Convert to fraction form
6,483,079.68/8,946,627.84 = 3,582,389.76/x - Step 3: Cross multiply
6,483,079.68x = 8,946,627.84 × 3,582,389.76 - Step 4: Simplify right side
6,483,079.68x = 32,050,307,960,546.91 - Step 5: Solve for x
x = 32,050,307,960,546.91/6,483,079.68 - Step 6: Final answer
x = 4,943,685.65
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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.