Finding the Fourth Proportional to 4,657,753.41, 6,986,630.11 and 1,291,960.41
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Solution
The fourth proportional to 4,657,753.41, 6,986,630.11 and 1,291,960.41 is: 1,937,940.61
Step by Step Solution
- Step 1: Write the proportion equation
4,657,753.41 : 6,986,630.11 = 1,291,960.41 : x - Step 2: Convert to fraction form
4,657,753.41/6,986,630.11 = 1,291,960.41/x - Step 3: Cross multiply
4,657,753.41x = 6,986,630.11 × 1,291,960.41 - Step 4: Simplify right side
4,657,753.41x = 9,026,449,474,426.61 - Step 5: Solve for x
x = 9,026,449,474,426.61/4,657,753.41 - Step 6: Final answer
x = 1,937,940.61
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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.