Finding the Fourth Proportional to 1,720,235.32, 2,373,985.68 and 945,924.92
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Solution
The fourth proportional to 1,720,235.32, 2,373,985.68 and 945,924.92 is: 1,305,409.90
Step by Step Solution
- Step 1: Write the proportion equation
1,720,235.32 : 2,373,985.68 = 945,924.92 : x - Step 2: Convert to fraction form
1,720,235.32/2,373,985.68 = 945,924.92/x - Step 3: Cross multiply
1,720,235.32x = 2,373,985.68 × 945,924.92 - Step 4: Simplify right side
1,720,235.32x = 2,245,612,214,435.15 - Step 5: Solve for x
x = 2,245,612,214,435.15/1,720,235.32 - Step 6: Final answer
x = 1,305,409.90
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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.