Finding the Fourth Proportional to 2,163,670.80, 3,245,813.40 and 667,606.80
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Solution
The fourth proportional to 2,163,670.80, 3,245,813.40 and 667,606.80 is: 1,001,504.99
Step by Step Solution
- Step 1: Write the proportion equation
2,163,670.80 : 3,245,813.40 = 667,606.80 : x - Step 2: Convert to fraction form
2,163,670.80/3,245,813.40 = 667,606.80/x - Step 3: Cross multiply
2,163,670.80x = 3,245,813.40 × 667,606.80 - Step 4: Simplify right side
2,163,670.80x = 2,166,927,097,371.12 - Step 5: Solve for x
x = 2,166,927,097,371.12/2,163,670.80 - Step 6: Final answer
x = 1,001,504.99
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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.