Finding the Fourth Proportional to 4,993,856.97, 6,890,783.54 and 3,032,715.12
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Solution
The fourth proportional to 4,993,856.97, 6,890,783.54 and 3,032,715.12 is: 4,184,698.03
Step by Step Solution
- Step 1: Write the proportion equation
4,993,856.97 : 6,890,783.54 = 3,032,715.12 : x - Step 2: Convert to fraction form
4,993,856.97/6,890,783.54 = 3,032,715.12/x - Step 3: Cross multiply
4,993,856.97x = 6,890,783.54 × 3,032,715.12 - Step 4: Simplify right side
4,993,856.97x = 20,897,783,415,241.55 - Step 5: Solve for x
x = 20,897,783,415,241.55/4,993,856.97 - Step 6: Final answer
x = 4,184,698.03
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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.