Finding the Fourth Proportional to 1,455,587.40, 2,184,158.70 and 656,992.20
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Solution
The fourth proportional to 1,455,587.40, 2,184,158.70 and 656,992.20 is: 985,839.28
Step by Step Solution
- Step 1: Write the proportion equation
1,455,587.40 : 2,184,158.70 = 656,992.20 : x - Step 2: Convert to fraction form
1,455,587.40/2,184,158.70 = 656,992.20/x - Step 3: Cross multiply
1,455,587.40x = 2,184,158.70 × 656,992.20 - Step 4: Simplify right side
1,455,587.40x = 1,434,975,229,462.14 - Step 5: Solve for x
x = 1,434,975,229,462.14/1,455,587.40 - Step 6: Final answer
x = 985,839.28
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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.