Finding the Fourth Proportional to 2,939,612.76, 4,409,379.90 and 1,423,431.36
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Solution
The fourth proportional to 2,939,612.76, 4,409,379.90 and 1,423,431.36 is: 2,135,128.04
Step by Step Solution
- Step 1: Write the proportion equation
2,939,612.76 : 4,409,379.90 = 1,423,431.36 : x - Step 2: Convert to fraction form
2,939,612.76/4,409,379.90 = 1,423,431.36/x - Step 3: Cross multiply
2,939,612.76x = 4,409,379.90 × 1,423,431.36 - Step 4: Simplify right side
2,939,612.76x = 6,276,449,627,813.67 - Step 5: Solve for x
x = 6,276,449,627,813.67/2,939,612.76 - Step 6: Final answer
x = 2,135,128.04
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.