Finding the Fourth Proportional to 1,872,562.80, 2,801,845.80 and 1,242,706.80
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Solution
The fourth proportional to 1,872,562.80, 2,801,845.80 and 1,242,706.80 is: 1,859,415.78
Step by Step Solution
- Step 1: Write the proportion equation
1,872,562.80 : 2,801,845.80 = 1,242,706.80 : x - Step 2: Convert to fraction form
1,872,562.80/2,801,845.80 = 1,242,706.80/x - Step 3: Cross multiply
1,872,562.80x = 2,801,845.80 × 1,242,706.80 - Step 4: Simplify right side
1,872,562.80x = 3,481,872,828,211.44 - Step 5: Solve for x
x = 3,481,872,828,211.44/1,872,562.80 - Step 6: Final answer
x = 1,859,415.78
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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.