Finding the Fourth Proportional to 1,532,807.11, 2,115,274.40 and 888,600.75
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Solution
The fourth proportional to 1,532,807.11, 2,115,274.40 and 888,600.75 is: 1,226,269.38
Step by Step Solution
- Step 1: Write the proportion equation
1,532,807.11 : 2,115,274.40 = 888,600.75 : x - Step 2: Convert to fraction form
1,532,807.11/2,115,274.40 = 888,600.75/x - Step 3: Cross multiply
1,532,807.11x = 2,115,274.40 × 888,600.75 - Step 4: Simplify right side
1,532,807.11x = 1,879,634,418,295.80 - Step 5: Solve for x
x = 1,879,634,418,295.80/1,532,807.11 - Step 6: Final answer
x = 1,226,269.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.