Finding the Fourth Proportional to 2,686,552.90, 4,029,829.35 and 889,713.70
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Solution
The fourth proportional to 2,686,552.90, 4,029,829.35 and 889,713.70 is: 1,334,570.55
Step by Step Solution
- Step 1: Write the proportion equation
2,686,552.90 : 4,029,829.35 = 889,713.70 : x - Step 2: Convert to fraction form
2,686,552.90/4,029,829.35 = 889,713.70/x - Step 3: Cross multiply
2,686,552.90x = 4,029,829.35 × 889,713.70 - Step 4: Simplify right side
2,686,552.90x = 3,585,394,381,357.10 - Step 5: Solve for x
x = 3,585,394,381,357.10/2,686,552.90 - Step 6: Final answer
x = 1,334,570.55
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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.