Finding the Fourth Proportional to 4,118,970.63, 5,686,847.49 and 2,649,536.25
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Solution
The fourth proportional to 4,118,970.63, 5,686,847.49 and 2,649,536.25 is: 3,658,076.23
Step by Step Solution
- Step 1: Write the proportion equation
4,118,970.63 : 5,686,847.49 = 2,649,536.25 : x - Step 2: Convert to fraction form
4,118,970.63/5,686,847.49 = 2,649,536.25/x - Step 3: Cross multiply
4,118,970.63x = 5,686,847.49 × 2,649,536.25 - Step 4: Simplify right side
4,118,970.63x = 15,067,508,572,976.51 - Step 5: Solve for x
x = 15,067,508,572,976.51/4,118,970.63 - Step 6: Final answer
x = 3,658,076.23
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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.