Finding the Fourth Proportional to 3,532,388.39, 4,875,455.66 and 2,155,437.09
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Solution
The fourth proportional to 3,532,388.39, 4,875,455.66 and 2,155,437.09 is: 2,974,966.73
Step by Step Solution
- Step 1: Write the proportion equation
3,532,388.39 : 4,875,455.66 = 2,155,437.09 : x - Step 2: Convert to fraction form
3,532,388.39/4,875,455.66 = 2,155,437.09/x - Step 3: Cross multiply
3,532,388.39x = 4,875,455.66 × 2,155,437.09 - Step 4: Simplify right side
3,532,388.39x = 10,508,737,949,437.24 - Step 5: Solve for x
x = 10,508,737,949,437.24/3,532,388.39 - Step 6: Final answer
x = 2,974,966.73
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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.