Finding the Fourth Proportional to 6,126,345.12, 8,454,217.36 and 3,835,769.76
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Solution
The fourth proportional to 6,126,345.12, 8,454,217.36 and 3,835,769.76 is: 5,293,275.30
Step by Step Solution
- Step 1: Write the proportion equation
6,126,345.12 : 8,454,217.36 = 3,835,769.76 : x - Step 2: Convert to fraction form
6,126,345.12/8,454,217.36 = 3,835,769.76/x - Step 3: Cross multiply
6,126,345.12x = 8,454,217.36 × 3,835,769.76 - Step 4: Simplify right side
6,126,345.12x = 32,428,431,293,955.03 - Step 5: Solve for x
x = 32,428,431,293,955.03/6,126,345.12 - Step 6: Final answer
x = 5,293,275.30
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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.