Finding the Fourth Proportional to 1,817,433.16, 2,508,485.22 and 1,129,624.49
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Solution
The fourth proportional to 1,817,433.16, 2,508,485.22 and 1,129,624.49 is: 1,559,147.49
Step by Step Solution
- Step 1: Write the proportion equation
1,817,433.16 : 2,508,485.22 = 1,129,624.49 : x - Step 2: Convert to fraction form
1,817,433.16/2,508,485.22 = 1,129,624.49/x - Step 3: Cross multiply
1,817,433.16x = 2,508,485.22 × 1,129,624.49 - Step 4: Simplify right side
1,817,433.16x = 2,833,646,343,586.25 - Step 5: Solve for x
x = 2,833,646,343,586.25/1,817,433.16 - Step 6: Final answer
x = 1,559,147.49
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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.