Finding the Fourth Proportional to 1,816,198.29, 2,506,261.05 and 1,000,384.41
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Solution
The fourth proportional to 1,816,198.29, 2,506,261.05 and 1,000,384.41 is: 1,380,479.49
Step by Step Solution
- Step 1: Write the proportion equation
1,816,198.29 : 2,506,261.05 = 1,000,384.41 : x - Step 2: Convert to fraction form
1,816,198.29/2,506,261.05 = 1,000,384.41/x - Step 3: Cross multiply
1,816,198.29x = 2,506,261.05 × 1,000,384.41 - Step 4: Simplify right side
1,816,198.29x = 2,507,224,481,810.23 - Step 5: Solve for x
x = 2,507,224,481,810.23/1,816,198.29 - Step 6: Final answer
x = 1,380,479.49
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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.