Finding the Fourth Proportional to 2,175,260.80, 3,259,780.80 and 1,602,169.60
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Solution
The fourth proportional to 2,175,260.80, 3,259,780.80 and 1,602,169.60 is: 2,400,963.46
Step by Step Solution
- Step 1: Write the proportion equation
2,175,260.80 : 3,259,780.80 = 1,602,169.60 : x - Step 2: Convert to fraction form
2,175,260.80/3,259,780.80 = 1,602,169.60/x - Step 3: Cross multiply
2,175,260.80x = 3,259,780.80 × 1,602,169.60 - Step 4: Simplify right side
2,175,260.80x = 5,222,721,700,423.68 - Step 5: Solve for x
x = 5,222,721,700,423.68/2,175,260.80 - Step 6: Final answer
x = 2,400,963.46
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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.