Finding the Fourth Proportional to 1,579,199.13, 2,179,288.53 and 854,047.62
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Solution
The fourth proportional to 1,579,199.13, 2,179,288.53 and 854,047.62 is: 1,178,582.33
Step by Step Solution
- Step 1: Write the proportion equation
1,579,199.13 : 2,179,288.53 = 854,047.62 : x - Step 2: Convert to fraction form
1,579,199.13/2,179,288.53 = 854,047.62/x - Step 3: Cross multiply
1,579,199.13x = 2,179,288.53 × 854,047.62 - Step 4: Simplify right side
1,579,199.13x = 1,861,216,182,339.80 - Step 5: Solve for x
x = 1,861,216,182,339.80/1,579,199.13 - Step 6: Final answer
x = 1,178,582.33
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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.