Finding the Fourth Proportional to 2,079,204.94, 2,869,326.75 and 1,219,779.82
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Solution
The fourth proportional to 2,079,204.94, 2,869,326.75 and 1,219,779.82 is: 1,683,310.19
Step by Step Solution
- Step 1: Write the proportion equation
2,079,204.94 : 2,869,326.75 = 1,219,779.82 : x - Step 2: Convert to fraction form
2,079,204.94/2,869,326.75 = 1,219,779.82/x - Step 3: Cross multiply
2,079,204.94x = 2,869,326.75 × 1,219,779.82 - Step 4: Simplify right side
2,079,204.94x = 3,499,946,866,636.19 - Step 5: Solve for x
x = 3,499,946,866,636.19/2,079,204.94 - Step 6: Final answer
x = 1,683,310.19
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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.