Finding the Fourth Proportional to 2,184,256.20, 3,276,384.30 and 1,971,679.80
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Solution
The fourth proportional to 2,184,256.20, 3,276,384.30 and 1,971,679.80 is: 2,957,519.70
Step by Step Solution
- Step 1: Write the proportion equation
2,184,256.20 : 3,276,384.30 = 1,971,679.80 : x - Step 2: Convert to fraction form
2,184,256.20/3,276,384.30 = 1,971,679.80/x - Step 3: Cross multiply
2,184,256.20x = 3,276,384.30 × 1,971,679.80 - Step 4: Simplify right side
2,184,256.20x = 6,459,980,741,347.14 - Step 5: Solve for x
x = 6,459,980,741,347.14/2,184,256.20 - Step 6: Final answer
x = 2,957,519.70
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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.