Finding the Fourth Proportional to 2,879,259.20, 4,309,832.16 and 1,975,415.84
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Solution
The fourth proportional to 2,879,259.20, 4,309,832.16 and 1,975,415.84 is: 2,956,910.14
Step by Step Solution
- Step 1: Write the proportion equation
2,879,259.20 : 4,309,832.16 = 1,975,415.84 : x - Step 2: Convert to fraction form
2,879,259.20/4,309,832.16 = 1,975,415.84/x - Step 3: Cross multiply
2,879,259.20x = 4,309,832.16 × 1,975,415.84 - Step 4: Simplify right side
2,879,259.20x = 8,513,710,716,605.42 - Step 5: Solve for x
x = 8,513,710,716,605.42/2,879,259.20 - Step 6: Final answer
x = 2,956,910.14
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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.