Finding the Fourth Proportional to 1,899,134.16, 2,620,983.24 and 1,135,171.32
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Solution
The fourth proportional to 1,899,134.16, 2,620,983.24 and 1,135,171.32 is: 1,566,642.88
Step by Step Solution
- Step 1: Write the proportion equation
1,899,134.16 : 2,620,983.24 = 1,135,171.32 : x - Step 2: Convert to fraction form
1,899,134.16/2,620,983.24 = 1,135,171.32/x - Step 3: Cross multiply
1,899,134.16x = 2,620,983.24 × 1,135,171.32 - Step 4: Simplify right side
1,899,134.16x = 2,975,265,004,248.68 - Step 5: Solve for x
x = 2,975,265,004,248.68/1,899,134.16 - Step 6: Final answer
x = 1,566,642.88
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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.