Finding the Fourth Proportional to 4,931,288.20, 6,805,202.89 and 2,755,867.70
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Solution
The fourth proportional to 4,931,288.20, 6,805,202.89 and 2,755,867.70 is: 3,803,111.49
Step by Step Solution
- Step 1: Write the proportion equation
4,931,288.20 : 6,805,202.89 = 2,755,867.70 : x - Step 2: Convert to fraction form
4,931,288.20/6,805,202.89 = 2,755,867.70/x - Step 3: Cross multiply
4,931,288.20x = 6,805,202.89 × 2,755,867.70 - Step 4: Simplify right side
4,931,288.20x = 18,754,238,836,497.65 - Step 5: Solve for x
x = 18,754,238,836,497.65/4,931,288.20 - Step 6: Final answer
x = 3,803,111.49
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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.