Finding the Fourth Proportional to 2,310,129.60, 3,187,817.01 and 1,343,191.29
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Solution
The fourth proportional to 2,310,129.60, 3,187,817.01 and 1,343,191.29 is: 1,853,509.88
Step by Step Solution
- Step 1: Write the proportion equation
2,310,129.60 : 3,187,817.01 = 1,343,191.29 : x - Step 2: Convert to fraction form
2,310,129.60/3,187,817.01 = 1,343,191.29/x - Step 3: Cross multiply
2,310,129.60x = 3,187,817.01 × 1,343,191.29 - Step 4: Simplify right side
2,310,129.60x = 4,281,848,041,945.84 - Step 5: Solve for x
x = 4,281,848,041,945.84/2,310,129.60 - Step 6: Final answer
x = 1,853,509.88
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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.