Finding the Fourth Proportional to 1,510,979.74, 2,266,715.80 and 446,129.44
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Solution
The fourth proportional to 1,510,979.74, 2,266,715.80 and 446,129.44 is: 669,266.85
Step by Step Solution
- Step 1: Write the proportion equation
1,510,979.74 : 2,266,715.80 = 446,129.44 : x - Step 2: Convert to fraction form
1,510,979.74/2,266,715.80 = 446,129.44/x - Step 3: Cross multiply
1,510,979.74x = 2,266,715.80 × 446,129.44 - Step 4: Simplify right side
1,510,979.74x = 1,011,248,650,493.15 - Step 5: Solve for x
x = 1,011,248,650,493.15/1,510,979.74 - Step 6: Final answer
x = 669,266.85
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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.