Finding the Fourth Proportional to 6,384,748.20, 8,811,139.80 and 3,484,326.36
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Solution
The fourth proportional to 6,384,748.20, 8,811,139.80 and 3,484,326.36 is: 4,808,472.58
Step by Step Solution
- Step 1: Write the proportion equation
6,384,748.20 : 8,811,139.80 = 3,484,326.36 : x - Step 2: Convert to fraction form
6,384,748.20/8,811,139.80 = 3,484,326.36/x - Step 3: Cross multiply
6,384,748.20x = 8,811,139.80 × 3,484,326.36 - Step 4: Simplify right side
6,384,748.20x = 30,700,886,666,785.13 - Step 5: Solve for x
x = 30,700,886,666,785.13/6,384,748.20 - Step 6: Final answer
x = 4,808,472.58
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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.