Finding the Fourth Proportional to 2,588,816.97, 3,572,689.68 and 1,442,905.65
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Solution
The fourth proportional to 2,588,816.97, 3,572,689.68 and 1,442,905.65 is: 1,991,277.94
Step by Step Solution
- Step 1: Write the proportion equation
2,588,816.97 : 3,572,689.68 = 1,442,905.65 : x - Step 2: Convert to fraction form
2,588,816.97/3,572,689.68 = 1,442,905.65/x - Step 3: Cross multiply
2,588,816.97x = 3,572,689.68 × 1,442,905.65 - Step 4: Simplify right side
2,588,816.97x = 5,155,054,124,968.69 - Step 5: Solve for x
x = 5,155,054,124,968.69/2,588,816.97 - Step 6: Final answer
x = 1,991,277.94
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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.