Finding the Fourth Proportional to 1,535,340.28, 2,299,926.10 and 764,515.80
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Solution
The fourth proportional to 1,535,340.28, 2,299,926.10 and 764,515.80 is: 1,145,237.88
Step by Step Solution
- Step 1: Write the proportion equation
1,535,340.28 : 2,299,926.10 = 764,515.80 : x - Step 2: Convert to fraction form
1,535,340.28/2,299,926.10 = 764,515.80/x - Step 3: Cross multiply
1,535,340.28x = 2,299,926.10 × 764,515.80 - Step 4: Simplify right side
1,535,340.28x = 1,758,329,842,282.38 - Step 5: Solve for x
x = 1,758,329,842,282.38/1,535,340.28 - Step 6: Final answer
x = 1,145,237.88
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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.