Finding the Fourth Proportional to 4,975,234.60, 7,462,893.68 and 1,381,281.80
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Solution
The fourth proportional to 4,975,234.60, 7,462,893.68 and 1,381,281.80 is: 2,071,934.30
Step by Step Solution
- Step 1: Write the proportion equation
4,975,234.60 : 7,462,893.68 = 1,381,281.80 : x - Step 2: Convert to fraction form
4,975,234.60/7,462,893.68 = 1,381,281.80/x - Step 3: Cross multiply
4,975,234.60x = 7,462,893.68 × 1,381,281.80 - Step 4: Simplify right side
4,975,234.60x = 10,308,359,215,519.02 - Step 5: Solve for x
x = 10,308,359,215,519.02/4,975,234.60 - Step 6: Final answer
x = 2,071,934.30
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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.