Finding the Fourth Proportional to 2,390,815.07, 3,299,326.02 and 1,358,324.67
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Solution
The fourth proportional to 2,390,815.07, 3,299,326.02 and 1,358,324.67 is: 1,874,488.74
Step by Step Solution
- Step 1: Write the proportion equation
2,390,815.07 : 3,299,326.02 = 1,358,324.67 : x - Step 2: Convert to fraction form
2,390,815.07/3,299,326.02 = 1,358,324.67/x - Step 3: Cross multiply
2,390,815.07x = 3,299,326.02 × 1,358,324.67 - Step 4: Simplify right side
2,390,815.07x = 4,481,555,927,338.91 - Step 5: Solve for x
x = 4,481,555,927,338.91/2,390,815.07 - Step 6: Final answer
x = 1,874,488.74
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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.