Finding the Fourth Proportional to 4,224,823.80, 6,337,235.70 and 2,545,207.80
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Solution
The fourth proportional to 4,224,823.80, 6,337,235.70 and 2,545,207.80 is: 3,817,811.70
Step by Step Solution
- Step 1: Write the proportion equation
4,224,823.80 : 6,337,235.70 = 2,545,207.80 : x - Step 2: Convert to fraction form
4,224,823.80/6,337,235.70 = 2,545,207.80/x - Step 3: Cross multiply
4,224,823.80x = 6,337,235.70 × 2,545,207.80 - Step 4: Simplify right side
4,224,823.80x = 16,129,581,734,078.46 - Step 5: Solve for x
x = 16,129,581,734,078.46/4,224,823.80 - Step 6: Final answer
x = 3,817,811.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.