Finding the Fourth Proportional to 2,541,617.80, 3,507,456.90 and 1,395,722.12
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Solution
The fourth proportional to 2,541,617.80, 3,507,456.90 and 1,395,722.12 is: 1,926,109.89
Step by Step Solution
- Step 1: Write the proportion equation
2,541,617.80 : 3,507,456.90 = 1,395,722.12 : x - Step 2: Convert to fraction form
2,541,617.80/3,507,456.90 = 1,395,722.12/x - Step 3: Cross multiply
2,541,617.80x = 3,507,456.90 × 1,395,722.12 - Step 4: Simplify right side
2,541,617.80x = 4,895,435,180,276.63 - Step 5: Solve for x
x = 4,895,435,180,276.63/2,541,617.80 - Step 6: Final answer
x = 1,926,109.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.