Finding the Fourth Proportional to 1,639,263.24, 2,459,332.62 and 517,353.48
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Solution
The fourth proportional to 1,639,263.24, 2,459,332.62 and 517,353.48 is: 776,168.38
Step by Step Solution
- Step 1: Write the proportion equation
1,639,263.24 : 2,459,332.62 = 517,353.48 : x - Step 2: Convert to fraction form
1,639,263.24/2,459,332.62 = 517,353.48/x - Step 3: Cross multiply
1,639,263.24x = 2,459,332.62 × 517,353.48 - Step 4: Simplify right side
1,639,263.24x = 1,272,344,289,434.52 - Step 5: Solve for x
x = 1,272,344,289,434.52/1,639,263.24 - Step 6: Final answer
x = 776,168.38
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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.