Finding the Fourth Proportional to 1,781,750.98, 2,460,846.17 and 1,207,794.70
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Solution
The fourth proportional to 1,781,750.98, 2,460,846.17 and 1,207,794.70 is: 1,668,132.64
Step by Step Solution
- Step 1: Write the proportion equation
1,781,750.98 : 2,460,846.17 = 1,207,794.70 : x - Step 2: Convert to fraction form
1,781,750.98/2,460,846.17 = 1,207,794.70/x - Step 3: Cross multiply
1,781,750.98x = 2,460,846.17 × 1,207,794.70 - Step 4: Simplify right side
1,781,750.98x = 2,972,196,967,736.84 - Step 5: Solve for x
x = 2,972,196,967,736.84/1,781,750.98 - Step 6: Final answer
x = 1,668,132.64
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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.