Finding the Fourth Proportional to 4,700,470.98, 6,488,634.12 and 3,174,644.82
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Solution
The fourth proportional to 4,700,470.98, 6,488,634.12 and 3,174,644.82 is: 4,382,349.94
Step by Step Solution
- Step 1: Write the proportion equation
4,700,470.98 : 6,488,634.12 = 3,174,644.82 : x - Step 2: Convert to fraction form
4,700,470.98/6,488,634.12 = 3,174,644.82/x - Step 3: Cross multiply
4,700,470.98x = 6,488,634.12 × 3,174,644.82 - Step 4: Simplify right side
4,700,470.98x = 20,599,108,697,933.26 - Step 5: Solve for x
x = 20,599,108,697,933.26/4,700,470.98 - Step 6: Final answer
x = 4,382,349.94
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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.