Finding the Fourth Proportional to 1,840,920.80, 2,761,569.60 and 704,637.68
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Solution
The fourth proportional to 1,840,920.80, 2,761,569.60 and 704,637.68 is: 1,057,028.63
Step by Step Solution
- Step 1: Write the proportion equation
1,840,920.80 : 2,761,569.60 = 704,637.68 : x - Step 2: Convert to fraction form
1,840,920.80/2,761,569.60 = 704,637.68/x - Step 3: Cross multiply
1,840,920.80x = 2,761,569.60 × 704,637.68 - Step 4: Simplify right side
1,840,920.80x = 1,945,905,996,102.53 - Step 5: Solve for x
x = 1,945,905,996,102.53/1,840,920.80 - Step 6: Final answer
x = 1,057,028.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.