Finding the Fourth Proportional to 4,155,987.70, 6,237,918.15 and 2,561,664.70
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Solution
The fourth proportional to 4,155,987.70, 6,237,918.15 and 2,561,664.70 is: 3,844,923.49
Step by Step Solution
- Step 1: Write the proportion equation
4,155,987.70 : 6,237,918.15 = 2,561,664.70 : x - Step 2: Convert to fraction form
4,155,987.70/6,237,918.15 = 2,561,664.70/x - Step 3: Cross multiply
4,155,987.70x = 6,237,918.15 × 2,561,664.70 - Step 4: Simplify right side
4,155,987.70x = 15,979,454,726,344.31 - Step 5: Solve for x
x = 15,979,454,726,344.31/4,155,987.70 - Step 6: Final answer
x = 3,844,923.49
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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.