Finding the Fourth Proportional to 2,163,208.24, 2,984,895.78 and 1,245,260.02
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Solution
The fourth proportional to 2,163,208.24, 2,984,895.78 and 1,245,260.02 is: 1,718,267.95
Step by Step Solution
- Step 1: Write the proportion equation
2,163,208.24 : 2,984,895.78 = 1,245,260.02 : x - Step 2: Convert to fraction form
2,163,208.24/2,984,895.78 = 1,245,260.02/x - Step 3: Cross multiply
2,163,208.24x = 2,984,895.78 × 1,245,260.02 - Step 4: Simplify right side
2,163,208.24x = 3,716,971,378,700.72 - Step 5: Solve for x
x = 3,716,971,378,700.72/2,163,208.24 - Step 6: Final answer
x = 1,718,267.95
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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.