Finding the Fourth Proportional to 4,684,000.80, 6,463,931.58 and 2,619,091.02
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Solution
The fourth proportional to 4,684,000.80, 6,463,931.58 and 2,619,091.02 is: 3,614,351.47
Step by Step Solution
- Step 1: Write the proportion equation
4,684,000.80 : 6,463,931.58 = 2,619,091.02 : x - Step 2: Convert to fraction form
4,684,000.80/6,463,931.58 = 2,619,091.02/x - Step 3: Cross multiply
4,684,000.80x = 6,463,931.58 × 2,619,091.02 - Step 4: Simplify right side
4,684,000.80x = 16,929,625,155,072.41 - Step 5: Solve for x
x = 16,929,625,155,072.41/4,684,000.80 - Step 6: Final answer
x = 3,614,351.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.