Finding the Fourth Proportional to 4,750,484.20, 6,561,116.28 and 3,126,143.12
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Solution
The fourth proportional to 4,750,484.20, 6,561,116.28 and 3,126,143.12 is: 4,317,662.72
Step by Step Solution
- Step 1: Write the proportion equation
4,750,484.20 : 6,561,116.28 = 3,126,143.12 : x - Step 2: Convert to fraction form
4,750,484.20/6,561,116.28 = 3,126,143.12/x - Step 3: Cross multiply
4,750,484.20x = 6,561,116.28 × 3,126,143.12 - Step 4: Simplify right side
4,750,484.20x = 20,510,988,518,242.00 - Step 5: Solve for x
x = 20,510,988,518,242.00/4,750,484.20 - Step 6: Final answer
x = 4,317,662.72
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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.