Finding the Fourth Proportional to 1,780,522.06, 2,455,764.70 and 1,532,586.06
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Solution
The fourth proportional to 1,780,522.06, 2,455,764.70 and 1,532,586.06 is: 2,113,801.81
Step by Step Solution
- Step 1: Write the proportion equation
1,780,522.06 : 2,455,764.70 = 1,532,586.06 : x - Step 2: Convert to fraction form
1,780,522.06/2,455,764.70 = 1,532,586.06/x - Step 3: Cross multiply
1,780,522.06x = 2,455,764.70 × 1,532,586.06 - Step 4: Simplify right side
1,780,522.06x = 3,763,670,745,860.08 - Step 5: Solve for x
x = 3,763,670,745,860.08/1,780,522.06 - Step 6: Final answer
x = 2,113,801.81
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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.