Finding the Fourth Proportional to 1,975,023.38, 2,725,753.92 and 1,115,638.99
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Solution
The fourth proportional to 1,975,023.38, 2,725,753.92 and 1,115,638.99 is: 1,539,707.00
Step by Step Solution
- Step 1: Write the proportion equation
1,975,023.38 : 2,725,753.92 = 1,115,638.99 : x - Step 2: Convert to fraction form
1,975,023.38/2,725,753.92 = 1,115,638.99/x - Step 3: Cross multiply
1,975,023.38x = 2,725,753.92 × 1,115,638.99 - Step 4: Simplify right side
1,975,023.38x = 3,040,957,331,090.38 - Step 5: Solve for x
x = 3,040,957,331,090.38/1,975,023.38 - Step 6: Final answer
x = 1,539,707.00
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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.