Finding the Fourth Proportional to 1,676,313.76, 2,313,312.84 and 912,372.76
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Solution
The fourth proportional to 1,676,313.76, 2,313,312.84 and 912,372.76 is: 1,259,074.33
Step by Step Solution
- Step 1: Write the proportion equation
1,676,313.76 : 2,313,312.84 = 912,372.76 : x - Step 2: Convert to fraction form
1,676,313.76/2,313,312.84 = 912,372.76/x - Step 3: Cross multiply
1,676,313.76x = 2,313,312.84 × 912,372.76 - Step 4: Simplify right side
1,676,313.76x = 2,110,603,620,574.24 - Step 5: Solve for x
x = 2,110,603,620,574.24/1,676,313.76 - Step 6: Final answer
x = 1,259,074.33
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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.