Finding the Fourth Proportional to 4,590,429.70, 6,885,644.55 and 2,071,005.70
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Solution
The fourth proportional to 4,590,429.70, 6,885,644.55 and 2,071,005.70 is: 3,106,508.55
Step by Step Solution
- Step 1: Write the proportion equation
4,590,429.70 : 6,885,644.55 = 2,071,005.70 : x - Step 2: Convert to fraction form
4,590,429.70/6,885,644.55 = 2,071,005.70/x - Step 3: Cross multiply
4,590,429.70x = 6,885,644.55 × 2,071,005.70 - Step 4: Simplify right side
4,590,429.70x = 14,260,209,111,223.93 - Step 5: Solve for x
x = 14,260,209,111,223.93/4,590,429.70 - Step 6: Final answer
x = 3,106,508.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.