Finding the Fourth Proportional to 4,310,421.48, 6,465,397.86 and 1,318,605.48
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Solution
The fourth proportional to 4,310,421.48, 6,465,397.86 and 1,318,605.48 is: 1,977,836.53
Step by Step Solution
- Step 1: Write the proportion equation
4,310,421.48 : 6,465,397.86 = 1,318,605.48 : x - Step 2: Convert to fraction form
4,310,421.48/6,465,397.86 = 1,318,605.48/x - Step 3: Cross multiply
4,310,421.48x = 6,465,397.86 × 1,318,605.48 - Step 4: Simplify right side
4,310,421.48x = 8,525,309,048,576.27 - Step 5: Solve for x
x = 8,525,309,048,576.27/4,310,421.48 - Step 6: Final answer
x = 1,977,836.53
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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.