Finding the Fourth Proportional to 4,368,881.40, 6,553,322.10 and 2,941,207.80
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Solution
The fourth proportional to 4,368,881.40, 6,553,322.10 and 2,941,207.80 is: 4,411,811.70
Step by Step Solution
- Step 1: Write the proportion equation
4,368,881.40 : 6,553,322.10 = 2,941,207.80 : x - Step 2: Convert to fraction form
4,368,881.40/6,553,322.10 = 2,941,207.80/x - Step 3: Cross multiply
4,368,881.40x = 6,553,322.10 × 2,941,207.80 - Step 4: Simplify right side
4,368,881.40x = 19,274,682,076,432.38 - Step 5: Solve for x
x = 19,274,682,076,432.38/4,368,881.40 - Step 6: Final answer
x = 4,411,811.70
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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.