Finding the Fourth Proportional to 4,827,276.91, 7,243,905.36 and 2,806,471.81
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Solution
The fourth proportional to 4,827,276.91, 7,243,905.36 and 2,806,471.81 is: 4,211,446.03
Step by Step Solution
- Step 1: Write the proportion equation
4,827,276.91 : 7,243,905.36 = 2,806,471.81 : x - Step 2: Convert to fraction form
4,827,276.91/7,243,905.36 = 2,806,471.81/x - Step 3: Cross multiply
4,827,276.91x = 7,243,905.36 × 2,806,471.81 - Step 4: Simplify right side
4,827,276.91x = 20,329,816,187,147.90 - Step 5: Solve for x
x = 20,329,816,187,147.90/4,827,276.91 - Step 6: Final answer
x = 4,211,446.03
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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.