Finding the Fourth Proportional to 1,479,263.80, 2,219,197.18 and 669,259.15
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Solution
The fourth proportional to 1,479,263.80, 2,219,197.18 and 669,259.15 is: 1,004,025.12
Step by Step Solution
- Step 1: Write the proportion equation
1,479,263.80 : 2,219,197.18 = 669,259.15 : x - Step 2: Convert to fraction form
1,479,263.80/2,219,197.18 = 669,259.15/x - Step 3: Cross multiply
1,479,263.80x = 2,219,197.18 × 669,259.15 - Step 4: Simplify right side
1,479,263.80x = 1,485,218,018,369.20 - Step 5: Solve for x
x = 1,485,218,018,369.20/1,479,263.80 - Step 6: Final answer
x = 1,004,025.12
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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.