Finding the Fourth Proportional to 4,893,704.21, 7,340,630.14 and 1,698,931.87
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Solution
The fourth proportional to 4,893,704.21, 7,340,630.14 and 1,698,931.87 is: 2,548,423.43
Step by Step Solution
- Step 1: Write the proportion equation
4,893,704.21 : 7,340,630.14 = 1,698,931.87 : x - Step 2: Convert to fraction form
4,893,704.21/7,340,630.14 = 1,698,931.87/x - Step 3: Cross multiply
4,893,704.21x = 7,340,630.14 × 1,698,931.87 - Step 4: Simplify right side
4,893,704.21x = 12,471,230,490,728.56 - Step 5: Solve for x
x = 12,471,230,490,728.56/4,893,704.21 - Step 6: Final answer
x = 2,548,423.43
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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.