Finding the Fourth Proportional to 2,400,461.20, 3,312,949.80 and 1,381,908.88
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Solution
The fourth proportional to 2,400,461.20, 3,312,949.80 and 1,381,908.88 is: 1,907,214.64
Step by Step Solution
- Step 1: Write the proportion equation
2,400,461.20 : 3,312,949.80 = 1,381,908.88 : x - Step 2: Convert to fraction form
2,400,461.20/3,312,949.80 = 1,381,908.88/x - Step 3: Cross multiply
2,400,461.20x = 3,312,949.80 × 1,381,908.88 - Step 4: Simplify right side
2,400,461.20x = 4,578,194,747,614.22 - Step 5: Solve for x
x = 4,578,194,747,614.22/2,400,461.20 - Step 6: Final answer
x = 1,907,214.64
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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.