Finding the Fourth Proportional to 4,000,314.44, 5,520,433.80 and 2,164,772.70
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Solution
The fourth proportional to 4,000,314.44, 5,520,433.80 and 2,164,772.70 is: 2,987,386.26
Step by Step Solution
- Step 1: Write the proportion equation
4,000,314.44 : 5,520,433.80 = 2,164,772.70 : x - Step 2: Convert to fraction form
4,000,314.44/5,520,433.80 = 2,164,772.70/x - Step 3: Cross multiply
4,000,314.44x = 5,520,433.80 × 2,164,772.70 - Step 4: Simplify right side
4,000,314.44x = 11,950,484,382,397.26 - Step 5: Solve for x
x = 11,950,484,382,397.26/4,000,314.44 - Step 6: Final answer
x = 2,987,386.26
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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.