Finding the Fourth Proportional to 5,178,465.33, 7,767,417.03 and 1,584,232.53
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Solution
The fourth proportional to 5,178,465.33, 7,767,417.03 and 1,584,232.53 is: 2,376,262.84
Step by Step Solution
- Step 1: Write the proportion equation
5,178,465.33 : 7,767,417.03 = 1,584,232.53 : x - Step 2: Convert to fraction form
5,178,465.33/7,767,417.03 = 1,584,232.53/x - Step 3: Cross multiply
5,178,465.33x = 7,767,417.03 × 1,584,232.53 - Step 4: Simplify right side
5,178,465.33x = 12,305,394,733,001.99 - Step 5: Solve for x
x = 12,305,394,733,001.99/5,178,465.33 - Step 6: Final answer
x = 2,376,262.84
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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.