Finding the Fourth Proportional to 1,665,763.99, 2,499,645.62 and 719,133.80
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Solution
The fourth proportional to 1,665,763.99, 2,499,645.62 and 719,133.80 is: 1,079,132.25
Step by Step Solution
- Step 1: Write the proportion equation
1,665,763.99 : 2,499,645.62 = 719,133.80 : x - Step 2: Convert to fraction form
1,665,763.99/2,499,645.62 = 719,133.80/x - Step 3: Cross multiply
1,665,763.99x = 2,499,645.62 × 719,133.80 - Step 4: Simplify right side
1,665,763.99x = 1,797,579,642,663.56 - Step 5: Solve for x
x = 1,797,579,642,663.56/1,665,763.99 - Step 6: Final answer
x = 1,079,132.25
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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.