Finding the Fourth Proportional to 1,780,358.11, 2,456,890.87 and 964,582.07
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Solution
The fourth proportional to 1,780,358.11, 2,456,890.87 and 964,582.07 is: 1,331,121.45
Step by Step Solution
- Step 1: Write the proportion equation
1,780,358.11 : 2,456,890.87 = 964,582.07 : x - Step 2: Convert to fraction form
1,780,358.11/2,456,890.87 = 964,582.07/x - Step 3: Cross multiply
1,780,358.11x = 2,456,890.87 × 964,582.07 - Step 4: Simplify right side
1,780,358.11x = 2,369,872,877,474.72 - Step 5: Solve for x
x = 2,369,872,877,474.72/1,780,358.11 - Step 6: Final answer
x = 1,331,121.45
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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.