Finding the Fourth Proportional to 6,307,451.80, 8,704,289.58 and 3,406,842.62
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Solution
The fourth proportional to 6,307,451.80, 8,704,289.58 and 3,406,842.62 is: 4,701,446.11
Step by Step Solution
- Step 1: Write the proportion equation
6,307,451.80 : 8,704,289.58 = 3,406,842.62 : x - Step 2: Convert to fraction form
6,307,451.80/8,704,289.58 = 3,406,842.62/x - Step 3: Cross multiply
6,307,451.80x = 8,704,289.58 × 3,406,842.62 - Step 4: Simplify right side
6,307,451.80x = 29,654,144,717,965.90 - Step 5: Solve for x
x = 29,654,144,717,965.90/6,307,451.80 - Step 6: Final answer
x = 4,701,446.11
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1.5x scale
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.