Finding the Fourth Proportional to 1,676,130.64, 2,313,015.96 and 912,167.80
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Solution
The fourth proportional to 1,676,130.64, 2,313,015.96 and 912,167.80 is: 1,258,767.44
Step by Step Solution
- Step 1: Write the proportion equation
1,676,130.64 : 2,313,015.96 = 912,167.80 : x - Step 2: Convert to fraction form
1,676,130.64/2,313,015.96 = 912,167.80/x - Step 3: Cross multiply
1,676,130.64x = 2,313,015.96 × 912,167.80 - Step 4: Simplify right side
1,676,130.64x = 2,109,858,679,598.09 - Step 5: Solve for x
x = 2,109,858,679,598.09/1,676,130.64 - Step 6: Final answer
x = 1,258,767.44
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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.