Finding the Fourth Proportional to 1,975,023.13, 2,725,753.57 and 1,115,638.74
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Solution
The fourth proportional to 1,975,023.13, 2,725,753.57 and 1,115,638.74 is: 1,539,706.67
Step by Step Solution
- Step 1: Write the proportion equation
1,975,023.13 : 2,725,753.57 = 1,115,638.74 : x - Step 2: Convert to fraction form
1,975,023.13/2,725,753.57 = 1,115,638.74/x - Step 3: Cross multiply
1,975,023.13x = 2,725,753.57 × 1,115,638.74 - Step 4: Simplify right side
1,975,023.13x = 3,040,956,278,385.30 - Step 5: Solve for x
x = 3,040,956,278,385.30/1,975,023.13 - Step 6: Final answer
x = 1,539,706.67
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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.