Finding the Fourth Proportional to 4,000,230.74, 5,520,332.97 and 2,164,688.84
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Solution
The fourth proportional to 4,000,230.74, 5,520,332.97 and 2,164,688.84 is: 2,987,278.47
Step by Step Solution
- Step 1: Write the proportion equation
4,000,230.74 : 5,520,332.97 = 2,164,688.84 : x - Step 2: Convert to fraction form
4,000,230.74/5,520,332.97 = 2,164,688.84/x - Step 3: Cross multiply
4,000,230.74x = 5,520,332.97 × 2,164,688.84 - Step 4: Simplify right side
4,000,230.74x = 11,949,803,145,641.39 - Step 5: Solve for x
x = 11,949,803,145,641.39/4,000,230.74 - Step 6: Final answer
x = 2,987,278.47
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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.