Finding the Fourth Proportional to 1,725,370.35, 2,381,020.53 and 1,000,647.75
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Solution
The fourth proportional to 1,725,370.35, 2,381,020.53 and 1,000,647.75 is: 1,380,899.37
Step by Step Solution
- Step 1: Write the proportion equation
1,725,370.35 : 2,381,020.53 = 1,000,647.75 : x - Step 2: Convert to fraction form
1,725,370.35/2,381,020.53 = 1,000,647.75/x - Step 3: Cross multiply
1,725,370.35x = 2,381,020.53 × 1,000,647.75 - Step 4: Simplify right side
1,725,370.35x = 2,382,562,836,048.31 - Step 5: Solve for x
x = 2,382,562,836,048.31/1,725,370.35 - Step 6: Final answer
x = 1,380,899.37
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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.