Finding the Fourth Proportional to 4,989,475.46, 6,885,470.27 and 2,697,630.68
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Solution
The fourth proportional to 4,989,475.46, 6,885,470.27 and 2,697,630.68 is: 3,722,727.17
Step by Step Solution
- Step 1: Write the proportion equation
4,989,475.46 : 6,885,470.27 = 2,697,630.68 : x - Step 2: Convert to fraction form
4,989,475.46/6,885,470.27 = 2,697,630.68/x - Step 3: Cross multiply
4,989,475.46x = 6,885,470.27 × 2,697,630.68 - Step 4: Simplify right side
4,989,475.46x = 18,574,455,870,537.64 - Step 5: Solve for x
x = 18,574,455,870,537.64/4,989,475.46 - Step 6: Final answer
x = 3,722,727.17
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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.