Finding the Fourth Proportional to 2,603,462.85, 3,889,362.23 and 1,685,164.79
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Solution
The fourth proportional to 2,603,462.85, 3,889,362.23 and 1,685,164.79 is: 2,517,499.45
Step by Step Solution
- Step 1: Write the proportion equation
2,603,462.85 : 3,889,362.23 = 1,685,164.79 : x - Step 2: Convert to fraction form
2,603,462.85/3,889,362.23 = 1,685,164.79/x - Step 3: Cross multiply
2,603,462.85x = 3,889,362.23 × 1,685,164.79 - Step 4: Simplify right side
2,603,462.85x = 6,554,216,295,400.76 - Step 5: Solve for x
x = 6,554,216,295,400.76/2,603,462.85 - Step 6: Final answer
x = 2,517,499.45
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.