Finding the Fourth Proportional to 1,519,779.84, 2,283,805.44 and 810,309.12
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Solution
The fourth proportional to 1,519,779.84, 2,283,805.44 and 810,309.12 is: 1,217,668.72
Step by Step Solution
- Step 1: Write the proportion equation
1,519,779.84 : 2,283,805.44 = 810,309.12 : x - Step 2: Convert to fraction form
1,519,779.84/2,283,805.44 = 810,309.12/x - Step 3: Cross multiply
1,519,779.84x = 2,283,805.44 × 810,309.12 - Step 4: Simplify right side
1,519,779.84x = 1,850,588,376,337.61 - Step 5: Solve for x
x = 1,850,588,376,337.61/1,519,779.84 - Step 6: Final answer
x = 1,217,668.72
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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.