Finding the Fourth Proportional to 2,086,309.74, 2,878,913.80 and 1,180,891.74
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Solution
The fourth proportional to 2,086,309.74, 2,878,913.80 and 1,180,891.74 is: 1,629,521.00
Step by Step Solution
- Step 1: Write the proportion equation
2,086,309.74 : 2,878,913.80 = 1,180,891.74 : x - Step 2: Convert to fraction form
2,086,309.74/2,878,913.80 = 1,180,891.74/x - Step 3: Cross multiply
2,086,309.74x = 2,878,913.80 × 1,180,891.74 - Step 4: Simplify right side
2,086,309.74x = 3,399,685,526,592.01 - Step 5: Solve for x
x = 3,399,685,526,592.01/2,086,309.74 - Step 6: Final answer
x = 1,629,521.00
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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.