Finding the Fourth Proportional to 1,579,311.17, 2,179,449.54 and 854,158.70
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Solution
The fourth proportional to 1,579,311.17, 2,179,449.54 and 854,158.70 is: 1,178,739.07
Step by Step Solution
- Step 1: Write the proportion equation
1,579,311.17 : 2,179,449.54 = 854,158.70 : x - Step 2: Convert to fraction form
1,579,311.17/2,179,449.54 = 854,158.70/x - Step 3: Cross multiply
1,579,311.17x = 2,179,449.54 × 854,158.70 - Step 4: Simplify right side
1,579,311.17x = 1,861,595,774,904.75 - Step 5: Solve for x
x = 1,861,595,774,904.75/1,579,311.17 - Step 6: Final answer
x = 1,178,739.07
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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.