Finding the Fourth Proportional to 2,684,638.62, 3,704,801.90 and 1,477,414.62
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Solution
The fourth proportional to 2,684,638.62, 3,704,801.90 and 1,477,414.62 is: 2,038,832.51
Step by Step Solution
- Step 1: Write the proportion equation
2,684,638.62 : 3,704,801.90 = 1,477,414.62 : x - Step 2: Convert to fraction form
2,684,638.62/3,704,801.90 = 1,477,414.62/x - Step 3: Cross multiply
2,684,638.62x = 3,704,801.90 × 1,477,414.62 - Step 4: Simplify right side
2,684,638.62x = 5,473,528,491,263.78 - Step 5: Solve for x
x = 5,473,528,491,263.78/2,684,638.62 - Step 6: Final answer
x = 2,038,832.51
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1.5x scale
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.