Finding the Fourth Proportional to 2,402,372.81, 3,315,274.65 and 1,314,644.44
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Solution
The fourth proportional to 2,402,372.81, 3,315,274.65 and 1,314,644.44 is: 1,814,209.42
Step by Step Solution
- Step 1: Write the proportion equation
2,402,372.81 : 3,315,274.65 = 1,314,644.44 : x - Step 2: Convert to fraction form
2,402,372.81/3,315,274.65 = 1,314,644.44/x - Step 3: Cross multiply
2,402,372.81x = 3,315,274.65 × 1,314,644.44 - Step 4: Simplify right side
2,402,372.81x = 4,358,407,377,407.26 - Step 5: Solve for x
x = 4,358,407,377,407.26/2,402,372.81 - Step 6: Final answer
x = 1,814,209.42
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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.