Finding the Fourth Proportional to 2,952,791.70, 4,429,187.55 and 708,929.70
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Solution
The fourth proportional to 2,952,791.70, 4,429,187.55 and 708,929.70 is: 1,063,394.55
Step by Step Solution
- Step 1: Write the proportion equation
2,952,791.70 : 4,429,187.55 = 708,929.70 : x - Step 2: Convert to fraction form
2,952,791.70/4,429,187.55 = 708,929.70/x - Step 3: Cross multiply
2,952,791.70x = 4,429,187.55 × 708,929.70 - Step 4: Simplify right side
2,952,791.70x = 3,139,982,601,065.24 - Step 5: Solve for x
x = 3,139,982,601,065.24/2,952,791.70 - Step 6: Final answer
x = 1,063,394.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.