Finding the Fourth Proportional to 2,657,905.90, 3,989,811.30 and 1,462,163.65
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Solution
The fourth proportional to 2,657,905.90, 3,989,811.30 and 1,462,163.65 is: 2,194,869.67
Step by Step Solution
- Step 1: Write the proportion equation
2,657,905.90 : 3,989,811.30 = 1,462,163.65 : x - Step 2: Convert to fraction form
2,657,905.90/3,989,811.30 = 1,462,163.65/x - Step 3: Cross multiply
2,657,905.90x = 3,989,811.30 × 1,462,163.65 - Step 4: Simplify right side
2,657,905.90x = 5,833,757,053,219.24 - Step 5: Solve for x
x = 5,833,757,053,219.24/2,657,905.90 - Step 6: Final answer
x = 2,194,869.67
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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.