Finding the Fourth Proportional to 5,890,756.48, 8,129,292.38 and 3,312,414.70
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Solution
The fourth proportional to 5,890,756.48, 8,129,292.38 and 3,312,414.70 is: 4,571,159.52
Step by Step Solution
- Step 1: Write the proportion equation
5,890,756.48 : 8,129,292.38 = 3,312,414.70 : x - Step 2: Convert to fraction form
5,890,756.48/8,129,292.38 = 3,312,414.70/x - Step 3: Cross multiply
5,890,756.48x = 8,129,292.38 × 3,312,414.70 - Step 4: Simplify right side
5,890,756.48x = 26,927,587,580,109.99 - Step 5: Solve for x
x = 26,927,587,580,109.99/5,890,756.48 - Step 6: Final answer
x = 4,571,159.52
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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.