Finding the Fourth Proportional to 7,276,820.16, 10,912,868.34 and 2,417,821.74
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Solution
The fourth proportional to 7,276,820.16, 10,912,868.34 and 2,417,821.74 is: 3,625,947.84
Step by Step Solution
- Step 1: Write the proportion equation
7,276,820.16 : 10,912,868.34 = 2,417,821.74 : x - Step 2: Convert to fraction form
7,276,820.16/10,912,868.34 = 2,417,821.74/x - Step 3: Cross multiply
7,276,820.16x = 10,912,868.34 × 2,417,821.74 - Step 4: Simplify right side
7,276,820.16x = 26,385,370,318,209.71 - Step 5: Solve for x
x = 26,385,370,318,209.71/7,276,820.16 - Step 6: Final answer
x = 3,625,947.84
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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.