Finding the Fourth Proportional to 2,731,399.08, 3,768,956.10 and 1,523,941.80
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Solution
The fourth proportional to 2,731,399.08, 3,768,956.10 and 1,523,941.80 is: 2,102,830.66
Step by Step Solution
- Step 1: Write the proportion equation
2,731,399.08 : 3,768,956.10 = 1,523,941.80 : x - Step 2: Convert to fraction form
2,731,399.08/3,768,956.10 = 1,523,941.80/x - Step 3: Cross multiply
2,731,399.08x = 3,768,956.10 × 1,523,941.80 - Step 4: Simplify right side
2,731,399.08x = 5,743,669,743,154.98 - Step 5: Solve for x
x = 5,743,669,743,154.98/2,731,399.08 - Step 6: Final answer
x = 2,102,830.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.