Finding the Fourth Proportional to 1,634,823.36, 2,452,236.39 and 781,694.28
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Solution
The fourth proportional to 1,634,823.36, 2,452,236.39 and 781,694.28 is: 1,172,542.07
Step by Step Solution
- Step 1: Write the proportion equation
1,634,823.36 : 2,452,236.39 = 781,694.28 : x - Step 2: Convert to fraction form
1,634,823.36/2,452,236.39 = 781,694.28/x - Step 3: Cross multiply
1,634,823.36x = 2,452,236.39 × 781,694.28 - Step 4: Simplify right side
1,634,823.36x = 1,916,899,159,270.85 - Step 5: Solve for x
x = 1,916,899,159,270.85/1,634,823.36 - Step 6: Final answer
x = 1,172,542.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.