Finding the Fourth Proportional to 4,761,609.21, 6,569,998.43 and 2,828,521.53
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Solution
The fourth proportional to 4,761,609.21, 6,569,998.43 and 2,828,521.53 is: 3,902,752.45
Step by Step Solution
- Step 1: Write the proportion equation
4,761,609.21 : 6,569,998.43 = 2,828,521.53 : x - Step 2: Convert to fraction form
4,761,609.21/6,569,998.43 = 2,828,521.53/x - Step 3: Cross multiply
4,761,609.21x = 6,569,998.43 × 2,828,521.53 - Step 4: Simplify right side
4,761,609.21x = 18,583,381,997,178.59 - Step 5: Solve for x
x = 18,583,381,997,178.59/4,761,609.21 - Step 6: Final answer
x = 3,902,752.45
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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.