Finding the Fourth Proportional to 4,518,321.57, 6,235,219.93 and 2,558,149.05
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Solution
The fourth proportional to 4,518,321.57, 6,235,219.93 and 2,558,149.05 is: 3,530,209.55
Step by Step Solution
- Step 1: Write the proportion equation
4,518,321.57 : 6,235,219.93 = 2,558,149.05 : x - Step 2: Convert to fraction form
4,518,321.57/6,235,219.93 = 2,558,149.05/x - Step 3: Cross multiply
4,518,321.57x = 6,235,219.93 × 2,558,149.05 - Step 4: Simplify right side
4,518,321.57x = 15,950,621,940,470.56 - Step 5: Solve for x
x = 15,950,621,940,470.56/4,518,321.57 - Step 6: Final answer
x = 3,530,209.55
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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.