Finding the Fourth Proportional to 2,125,358.12, 3,187,366.32 and 845,409.08
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Solution
The fourth proportional to 2,125,358.12, 3,187,366.32 and 845,409.08 is: 1,267,846.77
Step by Step Solution
- Step 1: Write the proportion equation
2,125,358.12 : 3,187,366.32 = 845,409.08 : x - Step 2: Convert to fraction form
2,125,358.12/3,187,366.32 = 845,409.08/x - Step 3: Cross multiply
2,125,358.12x = 3,187,366.32 × 845,409.08 - Step 4: Simplify right side
2,125,358.12x = 2,694,628,428,214.19 - Step 5: Solve for x
x = 2,694,628,428,214.19/2,125,358.12 - Step 6: Final answer
x = 1,267,846.77
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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.