Finding the Fourth Proportional to 2,561,671.11, 3,842,368.16 and 1,299,465.93
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Solution
The fourth proportional to 2,561,671.11, 3,842,368.16 and 1,299,465.93 is: 1,949,128.63
Step by Step Solution
- Step 1: Write the proportion equation
2,561,671.11 : 3,842,368.16 = 1,299,465.93 : x - Step 2: Convert to fraction form
2,561,671.11/3,842,368.16 = 1,299,465.93/x - Step 3: Cross multiply
2,561,671.11x = 3,842,368.16 × 1,299,465.93 - Step 4: Simplify right side
2,561,671.11x = 4,993,026,507,939.46 - Step 5: Solve for x
x = 4,993,026,507,939.46/2,561,671.11 - Step 6: Final answer
x = 1,949,128.63
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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.