Finding the Fourth Proportional to 2,187,651.02, 3,018,959.00 and 1,207,590.65
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Solution
The fourth proportional to 2,187,651.02, 3,018,959.00 and 1,207,590.65 is: 1,666,475.42
Step by Step Solution
- Step 1: Write the proportion equation
2,187,651.02 : 3,018,959.00 = 1,207,590.65 : x - Step 2: Convert to fraction form
2,187,651.02/3,018,959.00 = 1,207,590.65/x - Step 3: Cross multiply
2,187,651.02x = 3,018,959.00 × 1,207,590.65 - Step 4: Simplify right side
2,187,651.02x = 3,645,666,640,000.60 - Step 5: Solve for x
x = 3,645,666,640,000.60/2,187,651.02 - Step 6: Final answer
x = 1,666,475.42
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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.