Finding the Fourth Proportional to 3,109,813.12, 4,664,719.68 and 1,779,184
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Solution
The fourth proportional to 3,109,813.12, 4,664,719.68 and 1,779,184 is: 2,668,776.00
Step by Step Solution
- Step 1: Write the proportion equation
3,109,813.12 : 4,664,719.68 = 1,779,184 : x - Step 2: Convert to fraction form
3,109,813.12/4,664,719.68 = 1,779,184/x - Step 3: Cross multiply
3,109,813.12x = 4,664,719.68 × 1,779,184 - Step 4: Simplify right side
3,109,813.12x = 8,299,394,619,141.12 - Step 5: Solve for x
x = 8,299,394,619,141.12/3,109,813.12 - Step 6: Final answer
x = 2,668,776.00
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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.