Finding the Fourth Proportional to 1,676,338.08, 2,313,346.68 and 912,397.20
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Solution
The fourth proportional to 1,676,338.08, 2,313,346.68 and 912,397.20 is: 1,259,108.21
Step by Step Solution
- Step 1: Write the proportion equation
1,676,338.08 : 2,313,346.68 = 912,397.20 : x - Step 2: Convert to fraction form
1,676,338.08/2,313,346.68 = 912,397.20/x - Step 3: Cross multiply
1,676,338.08x = 2,313,346.68 × 912,397.20 - Step 4: Simplify right side
1,676,338.08x = 2,110,691,033,461.30 - Step 5: Solve for x
x = 2,110,691,033,461.30/1,676,338.08 - Step 6: Final answer
x = 1,259,108.21
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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.