Finding the Fourth Proportional to 2,163,211.24, 2,984,899.92 and 1,245,263.02
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Solution
The fourth proportional to 2,163,211.24, 2,984,899.92 and 1,245,263.02 is: 1,718,272.09
Step by Step Solution
- Step 1: Write the proportion equation
2,163,211.24 : 2,984,899.92 = 1,245,263.02 : x - Step 2: Convert to fraction form
2,163,211.24/2,984,899.92 = 1,245,263.02/x - Step 3: Cross multiply
2,163,211.24x = 2,984,899.92 × 1,245,263.02 - Step 4: Simplify right side
2,163,211.24x = 3,716,985,488,776.96 - Step 5: Solve for x
x = 3,716,985,488,776.96/2,163,211.24 - Step 6: Final answer
x = 1,718,272.09
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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.