Finding the Fourth Proportional to 4,268,461.20, 6,394,397.40 and 2,371,808.40
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Solution
The fourth proportional to 4,268,461.20, 6,394,397.40 and 2,371,808.40 is: 3,553,103.74
Step by Step Solution
- Step 1: Write the proportion equation
4,268,461.20 : 6,394,397.40 = 2,371,808.40 : x - Step 2: Convert to fraction form
4,268,461.20/6,394,397.40 = 2,371,808.40/x - Step 3: Cross multiply
4,268,461.20x = 6,394,397.40 × 2,371,808.40 - Step 4: Simplify right side
4,268,461.20x = 15,166,285,466,258.16 - Step 5: Solve for x
x = 15,166,285,466,258.16/4,268,461.20 - Step 6: Final answer
x = 3,553,103.74
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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.