Finding the Fourth Proportional to 2,277,372.24, 3,143,086.20 and 1,310,482.80
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Solution
The fourth proportional to 2,277,372.24, 3,143,086.20 and 1,310,482.80 is: 1,808,646.09
Step by Step Solution
- Step 1: Write the proportion equation
2,277,372.24 : 3,143,086.20 = 1,310,482.80 : x - Step 2: Convert to fraction form
2,277,372.24/3,143,086.20 = 1,310,482.80/x - Step 3: Cross multiply
2,277,372.24x = 3,143,086.20 × 1,310,482.80 - Step 4: Simplify right side
2,277,372.24x = 4,118,960,404,017.36 - Step 5: Solve for x
x = 4,118,960,404,017.36/2,277,372.24 - Step 6: Final answer
x = 1,808,646.09
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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.