Finding the Fourth Proportional to 1,783,242.72, 2,460,874.68 and 1,019,312.68
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Solution
The fourth proportional to 1,783,242.72, 2,460,874.68 and 1,019,312.68 is: 1,406,651.34
Step by Step Solution
- Step 1: Write the proportion equation
1,783,242.72 : 2,460,874.68 = 1,019,312.68 : x - Step 2: Convert to fraction form
1,783,242.72/2,460,874.68 = 1,019,312.68/x - Step 3: Cross multiply
1,783,242.72x = 2,460,874.68 × 1,019,312.68 - Step 4: Simplify right side
1,783,242.72x = 2,508,400,765,214.94 - Step 5: Solve for x
x = 2,508,400,765,214.94/1,783,242.72 - Step 6: Final answer
x = 1,406,651.34
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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.