Finding the Fourth Proportional to 7,416,934.40, 11,125,401.60 and 2,926,899.20
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Solution
The fourth proportional to 7,416,934.40, 11,125,401.60 and 2,926,899.20 is: 4,390,348.80
Step by Step Solution
- Step 1: Write the proportion equation
7,416,934.40 : 11,125,401.60 = 2,926,899.20 : x - Step 2: Convert to fraction form
7,416,934.40/11,125,401.60 = 2,926,899.20/x - Step 3: Cross multiply
7,416,934.40x = 11,125,401.60 × 2,926,899.20 - Step 4: Simplify right side
7,416,934.40x = 32,562,929,042,718.72 - Step 5: Solve for x
x = 32,562,929,042,718.72/7,416,934.40 - Step 6: Final answer
x = 4,390,348.80
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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.