Finding the Fourth Proportional to 5,409,811.29, 7,465,315.37 and 2,962,380.17
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Solution
The fourth proportional to 5,409,811.29, 7,465,315.37 and 2,962,380.17 is: 4,087,961.86
Step by Step Solution
- Step 1: Write the proportion equation
5,409,811.29 : 7,465,315.37 = 2,962,380.17 : x - Step 2: Convert to fraction form
5,409,811.29/7,465,315.37 = 2,962,380.17/x - Step 3: Cross multiply
5,409,811.29x = 7,465,315.37 × 2,962,380.17 - Step 4: Simplify right side
5,409,811.29x = 22,115,102,226,901.07 - Step 5: Solve for x
x = 22,115,102,226,901.07/5,409,811.29 - Step 6: Final answer
x = 4,087,961.86
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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.