Finding the Fourth Proportional to 4,646,189.40, 6,411,816.99 and 2,581,338.21
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Solution
The fourth proportional to 4,646,189.40, 6,411,816.99 and 2,581,338.21 is: 3,562,288.74
Step by Step Solution
- Step 1: Write the proportion equation
4,646,189.40 : 6,411,816.99 = 2,581,338.21 : x - Step 2: Convert to fraction form
4,646,189.40/6,411,816.99 = 2,581,338.21/x - Step 3: Cross multiply
4,646,189.40x = 6,411,816.99 × 2,581,338.21 - Step 4: Simplify right side
4,646,189.40x = 16,551,068,191,814.19 - Step 5: Solve for x
x = 16,551,068,191,814.19/4,646,189.40 - Step 6: Final answer
x = 3,562,288.74
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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.