Finding the Fourth Proportional to 2,155,769.11, 3,234,197.40 and 716,460.05
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Solution
The fourth proportional to 2,155,769.11, 3,234,197.40 and 716,460.05 is: 1,074,870.78
Step by Step Solution
- Step 1: Write the proportion equation
2,155,769.11 : 3,234,197.40 = 716,460.05 : x - Step 2: Convert to fraction form
2,155,769.11/3,234,197.40 = 716,460.05/x - Step 3: Cross multiply
2,155,769.11x = 3,234,197.40 × 716,460.05 - Step 4: Simplify right side
2,155,769.11x = 2,317,173,230,913.87 - Step 5: Solve for x
x = 2,317,173,230,913.87/2,155,769.11 - Step 6: Final answer
x = 1,074,870.78
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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.