Finding the Fourth Proportional to 1,230,921.23, 1,846,197.16 and 389,363.63
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Solution
The fourth proportional to 1,230,921.23, 1,846,197.16 and 389,363.63 is: 583,987.02
Step by Step Solution
- Step 1: Write the proportion equation
1,230,921.23 : 1,846,197.16 = 389,363.63 : x - Step 2: Convert to fraction form
1,230,921.23/1,846,197.16 = 389,363.63/x - Step 3: Cross multiply
1,230,921.23x = 1,846,197.16 × 389,363.63 - Step 4: Simplify right side
1,230,921.23x = 718,842,017,708.90 - Step 5: Solve for x
x = 718,842,017,708.90/1,230,921.23 - Step 6: Final answer
x = 583,987.02
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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.