Finding the Fourth Proportional to 1,676,374.18, 2,313,394.60 and 912,425.92
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Solution
The fourth proportional to 1,676,374.18, 2,313,394.60 and 912,425.92 is: 1,259,146.81
Step by Step Solution
- Step 1: Write the proportion equation
1,676,374.18 : 2,313,394.60 = 912,425.92 : x - Step 2: Convert to fraction form
1,676,374.18/2,313,394.60 = 912,425.92/x - Step 3: Cross multiply
1,676,374.18x = 2,313,394.60 × 912,425.92 - Step 4: Simplify right side
1,676,374.18x = 2,110,801,196,228.03 - Step 5: Solve for x
x = 2,110,801,196,228.03/1,676,374.18 - Step 6: Final answer
x = 1,259,146.81
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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.