Finding the Fourth Proportional to 4,784,068.93, 7,176,129.35 and 1,189,835.88
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Solution
The fourth proportional to 4,784,068.93, 7,176,129.35 and 1,189,835.88 is: 1,784,760.28
Step by Step Solution
- Step 1: Write the proportion equation
4,784,068.93 : 7,176,129.35 = 1,189,835.88 : x - Step 2: Convert to fraction form
4,784,068.93/7,176,129.35 = 1,189,835.88/x - Step 3: Cross multiply
4,784,068.93x = 7,176,129.35 × 1,189,835.88 - Step 4: Simplify right side
4,784,068.93x = 8,538,416,196,023.12 - Step 5: Solve for x
x = 8,538,416,196,023.12/4,784,068.93 - Step 6: Final answer
x = 1,784,760.28
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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.