Finding the Fourth Proportional to 4,863,461.12, 7,295,340.30 and 1,668,542.48
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Solution
The fourth proportional to 4,863,461.12, 7,295,340.30 and 1,668,542.48 is: 2,502,864.71
Step by Step Solution
- Step 1: Write the proportion equation
4,863,461.12 : 7,295,340.30 = 1,668,542.48 : x - Step 2: Convert to fraction form
4,863,461.12/7,295,340.30 = 1,668,542.48/x - Step 3: Cross multiply
4,863,461.12x = 7,295,340.30 × 1,668,542.48 - Step 4: Simplify right side
4,863,461.12x = 12,172,585,196,605.94 - Step 5: Solve for x
x = 12,172,585,196,605.94/4,863,461.12 - Step 6: Final answer
x = 2,502,864.71
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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.