Finding the Fourth Proportional to 3,674,538.72, 5,070,945.74 and 2,020,580.99
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Solution
The fourth proportional to 3,674,538.72, 5,070,945.74 and 2,020,580.99 is: 2,788,447.02
Step by Step Solution
- Step 1: Write the proportion equation
3,674,538.72 : 5,070,945.74 = 2,020,580.99 : x - Step 2: Convert to fraction form
3,674,538.72/5,070,945.74 = 2,020,580.99/x - Step 3: Cross multiply
3,674,538.72x = 5,070,945.74 × 2,020,580.99 - Step 4: Simplify right side
3,674,538.72x = 10,246,256,553,462.58 - Step 5: Solve for x
x = 10,246,256,553,462.58/3,674,538.72 - Step 6: Final answer
x = 2,788,447.02
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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.