Finding the Fourth Proportional to 1,564,604.28, 2,158,975.35 and 876,180.42
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Solution
The fourth proportional to 1,564,604.28, 2,158,975.35 and 876,180.42 is: 1,209,028.99
Step by Step Solution
- Step 1: Write the proportion equation
1,564,604.28 : 2,158,975.35 = 876,180.42 : x - Step 2: Convert to fraction form
1,564,604.28/2,158,975.35 = 876,180.42/x - Step 3: Cross multiply
1,564,604.28x = 2,158,975.35 × 876,180.42 - Step 4: Simplify right side
1,564,604.28x = 1,891,651,928,932.65 - Step 5: Solve for x
x = 1,891,651,928,932.65/1,564,604.28 - Step 6: Final answer
x = 1,209,028.99
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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.