Finding the Fourth Proportional to 1,542,121.60, 2,310,433.20 and 1,315,179.52
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Solution
The fourth proportional to 1,542,121.60, 2,310,433.20 and 1,315,179.52 is: 1,970,424.66
Step by Step Solution
- Step 1: Write the proportion equation
1,542,121.60 : 2,310,433.20 = 1,315,179.52 : x - Step 2: Convert to fraction form
1,542,121.60/2,310,433.20 = 1,315,179.52/x - Step 3: Cross multiply
1,542,121.60x = 2,310,433.20 × 1,315,179.52 - Step 4: Simplify right side
1,542,121.60x = 3,038,634,426,968.06 - Step 5: Solve for x
x = 3,038,634,426,968.06/1,542,121.60 - Step 6: Final answer
x = 1,970,424.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.