Finding the Fourth Proportional to 1,639,780.49, 2,457,358.64 and 774,291.97
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Solution
The fourth proportional to 1,639,780.49, 2,457,358.64 and 774,291.97 is: 1,160,346.20
Step by Step Solution
- Step 1: Write the proportion equation
1,639,780.49 : 2,457,358.64 = 774,291.97 : x - Step 2: Convert to fraction form
1,639,780.49/2,457,358.64 = 774,291.97/x - Step 3: Cross multiply
1,639,780.49x = 2,457,358.64 × 774,291.97 - Step 4: Simplify right side
1,639,780.49x = 1,902,713,061,910.03 - Step 5: Solve for x
x = 1,902,713,061,910.03/1,639,780.49 - Step 6: Final answer
x = 1,160,346.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.