Finding the Fourth Proportional to 4,874,210.42, 6,726,620.70 and 2,698,753.68
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Solution
The fourth proportional to 4,874,210.42, 6,726,620.70 and 2,698,753.68 is: 3,724,396.53
Step by Step Solution
- Step 1: Write the proportion equation
4,874,210.42 : 6,726,620.70 = 2,698,753.68 : x - Step 2: Convert to fraction form
4,874,210.42/6,726,620.70 = 2,698,753.68/x - Step 3: Cross multiply
4,874,210.42x = 6,726,620.70 × 2,698,753.68 - Step 4: Simplify right side
4,874,210.42x = 18,153,492,368,089.18 - Step 5: Solve for x
x = 18,153,492,368,089.18/4,874,210.42 - Step 6: Final answer
x = 3,724,396.53
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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.