Finding the Fourth Proportional to 5,432,465.38, 7,496,777.61 and 2,985,069.31
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Solution
The fourth proportional to 5,432,465.38, 7,496,777.61 and 2,985,069.31 is: 4,119,382.12
Step by Step Solution
- Step 1: Write the proportion equation
5,432,465.38 : 7,496,777.61 = 2,985,069.31 : x - Step 2: Convert to fraction form
5,432,465.38/7,496,777.61 = 2,985,069.31/x - Step 3: Cross multiply
5,432,465.38x = 7,496,777.61 × 2,985,069.31 - Step 4: Simplify right side
5,432,465.38x = 22,378,400,767,506.15 - Step 5: Solve for x
x = 22,378,400,767,506.15/5,432,465.38 - Step 6: Final answer
x = 4,119,382.12
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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.