Finding the Fourth Proportional to 2,720,129.16, 3,753,546.84 and 1,574,280.48
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Solution
The fourth proportional to 2,720,129.16, 3,753,546.84 and 1,574,280.48 is: 2,172,373.14
Step by Step Solution
- Step 1: Write the proportion equation
2,720,129.16 : 3,753,546.84 = 1,574,280.48 : x - Step 2: Convert to fraction form
2,720,129.16/3,753,546.84 = 1,574,280.48/x - Step 3: Cross multiply
2,720,129.16x = 3,753,546.84 × 1,574,280.48 - Step 4: Simplify right side
2,720,129.16x = 5,909,135,520,977.68 - Step 5: Solve for x
x = 5,909,135,520,977.68/2,720,129.16 - Step 6: Final answer
x = 2,172,373.14
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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.