Finding the Fourth Proportional to 2,425,963.80, 3,639,269.70 and 828,125.40
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Solution
The fourth proportional to 2,425,963.80, 3,639,269.70 and 828,125.40 is: 1,242,298.70
Step by Step Solution
- Step 1: Write the proportion equation
2,425,963.80 : 3,639,269.70 = 828,125.40 : x - Step 2: Convert to fraction form
2,425,963.80/3,639,269.70 = 828,125.40/x - Step 3: Cross multiply
2,425,963.80x = 3,639,269.70 × 828,125.40 - Step 4: Simplify right side
2,425,963.80x = 3,013,771,676,020.38 - Step 5: Solve for x
x = 3,013,771,676,020.38/2,425,963.80 - Step 6: Final answer
x = 1,242,298.70
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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.