Finding the Fourth Proportional to 1,867,783, 2,576,565.70 and 1,179,207.26
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Solution
The fourth proportional to 1,867,783, 2,576,565.70 and 1,179,207.26 is: 1,626,690.56
Step by Step Solution
- Step 1: Write the proportion equation
1,867,783 : 2,576,565.70 = 1,179,207.26 : x - Step 2: Convert to fraction form
1,867,783/2,576,565.70 = 1,179,207.26/x - Step 3: Cross multiply
1,867,783x = 2,576,565.70 × 1,179,207.26 - Step 4: Simplify right side
1,867,783x = 3,038,304,979,306.98 - Step 5: Solve for x
x = 3,038,304,979,306.98/1,867,783 - Step 6: Final answer
x = 1,626,690.56
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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.