Finding the Fourth Proportional to 1,780,964.16, 2,456,958.24 and 1,178,191.68
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Solution
The fourth proportional to 1,780,964.16, 2,456,958.24 and 1,178,191.68 is: 1,625,393.61
Step by Step Solution
- Step 1: Write the proportion equation
1,780,964.16 : 2,456,958.24 = 1,178,191.68 : x - Step 2: Convert to fraction form
1,780,964.16/2,456,958.24 = 1,178,191.68/x - Step 3: Cross multiply
1,780,964.16x = 2,456,958.24 × 1,178,191.68 - Step 4: Simplify right side
1,780,964.16x = 2,894,767,756,475.44 - Step 5: Solve for x
x = 2,894,767,756,475.44/1,780,964.16 - Step 6: Final answer
x = 1,625,393.61
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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.