Finding the Fourth Proportional to 2,938,540.81, 4,054,963.96 and 1,649,132.09
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Solution
The fourth proportional to 2,938,540.81, 4,054,963.96 and 1,649,132.09 is: 2,275,677.49
Step by Step Solution
- Step 1: Write the proportion equation
2,938,540.81 : 4,054,963.96 = 1,649,132.09 : x - Step 2: Convert to fraction form
2,938,540.81/4,054,963.96 = 1,649,132.09/x - Step 3: Cross multiply
2,938,540.81x = 4,054,963.96 × 1,649,132.09 - Step 4: Simplify right side
2,938,540.81x = 6,687,171,165,831.83 - Step 5: Solve for x
x = 6,687,171,165,831.83/2,938,540.81 - Step 6: Final answer
x = 2,275,677.49
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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.