Finding the Fourth Proportional to 1,589,071.23, 2,192,961.56 and 863,967.74
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Solution
The fourth proportional to 1,589,071.23, 2,192,961.56 and 863,967.74 is: 1,192,298.99
Step by Step Solution
- Step 1: Write the proportion equation
1,589,071.23 : 2,192,961.56 = 863,967.74 : x - Step 2: Convert to fraction form
1,589,071.23/2,192,961.56 = 863,967.74/x - Step 3: Cross multiply
1,589,071.23x = 2,192,961.56 × 863,967.74 - Step 4: Simplify right side
1,589,071.23x = 1,894,648,027,615.43 - Step 5: Solve for x
x = 1,894,648,027,615.43/1,589,071.23 - Step 6: Final answer
x = 1,192,298.99
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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.