Finding the Fourth Proportional to 1,585,867.44, 2,378,130.48 and 638,983.92
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Solution
The fourth proportional to 1,585,867.44, 2,378,130.48 and 638,983.92 is: 958,205.65
Step by Step Solution
- Step 1: Write the proportion equation
1,585,867.44 : 2,378,130.48 = 638,983.92 : x - Step 2: Convert to fraction form
1,585,867.44/2,378,130.48 = 638,983.92/x - Step 3: Cross multiply
1,585,867.44x = 2,378,130.48 × 638,983.92 - Step 4: Simplify right side
1,585,867.44x = 1,519,587,136,381.88 - Step 5: Solve for x
x = 1,519,587,136,381.88/1,585,867.44 - Step 6: Final answer
x = 958,205.65
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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.