Finding the Fourth Proportional to 1,433,947.11, 2,150,920.71 and 535,458.99
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Solution
The fourth proportional to 1,433,947.11, 2,150,920.71 and 535,458.99 is: 803,188.50
Step by Step Solution
- Step 1: Write the proportion equation
1,433,947.11 : 2,150,920.71 = 535,458.99 : x - Step 2: Convert to fraction form
1,433,947.11/2,150,920.71 = 535,458.99/x - Step 3: Cross multiply
1,433,947.11x = 2,150,920.71 × 535,458.99 - Step 4: Simplify right side
1,433,947.11x = 1,151,729,830,946.68 - Step 5: Solve for x
x = 1,151,729,830,946.68/1,433,947.11 - Step 6: Final answer
x = 803,188.50
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1.5x scale
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.