Finding the Fourth Proportional to 1,559,199.75, 2,151,695.67 and 843,807.75
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Solution
The fourth proportional to 1,559,199.75, 2,151,695.67 and 843,807.75 is: 1,164,454.70
Step by Step Solution
- Step 1: Write the proportion equation
1,559,199.75 : 2,151,695.67 = 843,807.75 : x - Step 2: Convert to fraction form
1,559,199.75/2,151,695.67 = 843,807.75/x - Step 3: Cross multiply
1,559,199.75x = 2,151,695.67 × 843,807.75 - Step 4: Simplify right side
1,559,199.75x = 1,815,617,481,987.44 - Step 5: Solve for x
x = 1,815,617,481,987.44/1,559,199.75 - Step 6: Final answer
x = 1,164,454.70
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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.