Finding the Fourth Proportional to 1,808,423.01, 2,497,694.99 and 1,190,988.25
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Solution
The fourth proportional to 1,808,423.01, 2,497,694.99 and 1,190,988.25 is: 1,644,927.86
Step by Step Solution
- Step 1: Write the proportion equation
1,808,423.01 : 2,497,694.99 = 1,190,988.25 : x - Step 2: Convert to fraction form
1,808,423.01/2,497,694.99 = 1,190,988.25/x - Step 3: Cross multiply
1,808,423.01x = 2,497,694.99 × 1,190,988.25 - Step 4: Simplify right side
1,808,423.01x = 2,974,725,385,173.87 - Step 5: Solve for x
x = 2,974,725,385,173.87/1,808,423.01 - Step 6: Final answer
x = 1,644,927.86
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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.