Finding the Fourth Proportional to 3,119,858.64, 4,305,433.41 and 1,830,720.51
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Solution
The fourth proportional to 3,119,858.64, 4,305,433.41 and 1,830,720.51 is: 2,526,411.02
Step by Step Solution
- Step 1: Write the proportion equation
3,119,858.64 : 4,305,433.41 = 1,830,720.51 : x - Step 2: Convert to fraction form
3,119,858.64/4,305,433.41 = 1,830,720.51/x - Step 3: Cross multiply
3,119,858.64x = 4,305,433.41 × 1,830,720.51 - Step 4: Simplify right side
3,119,858.64x = 7,882,045,248,126.24 - Step 5: Solve for x
x = 7,882,045,248,126.24/3,119,858.64 - Step 6: Final answer
x = 2,526,411.02
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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.