Finding the Fourth Proportional to 1,775,657.80, 2,660,681.58 and 1,441,600.84
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Solution
The fourth proportional to 1,775,657.80, 2,660,681.58 and 1,441,600.84 is: 2,160,123.87
Step by Step Solution
- Step 1: Write the proportion equation
1,775,657.80 : 2,660,681.58 = 1,441,600.84 : x - Step 2: Convert to fraction form
1,775,657.80/2,660,681.58 = 1,441,600.84/x - Step 3: Cross multiply
1,775,657.80x = 2,660,681.58 × 1,441,600.84 - Step 4: Simplify right side
1,775,657.80x = 3,835,640,800,700.53 - Step 5: Solve for x
x = 3,835,640,800,700.53/1,775,657.80 - Step 6: Final answer
x = 2,160,123.87
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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.