Finding the Fourth Proportional to 1,822,422.80, 2,514,967.44 and 1,006,624.08
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Solution
The fourth proportional to 1,822,422.80, 2,514,967.44 and 1,006,624.08 is: 1,389,154.47
Step by Step Solution
- Step 1: Write the proportion equation
1,822,422.80 : 2,514,967.44 = 1,006,624.08 : x - Step 2: Convert to fraction form
1,822,422.80/2,514,967.44 = 1,006,624.08/x - Step 3: Cross multiply
1,822,422.80x = 2,514,967.44 × 1,006,624.08 - Step 4: Simplify right side
1,822,422.80x = 2,531,626,785,519.96 - Step 5: Solve for x
x = 2,531,626,785,519.96/1,822,422.80 - Step 6: Final answer
x = 1,389,154.47
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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.