Finding the Fourth Proportional to 6,475,748.64, 8,936,832.24 and 3,575,551.20
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Solution
The fourth proportional to 6,475,748.64, 8,936,832.24 and 3,575,551.20 is: 4,934,425.81
Step by Step Solution
- Step 1: Write the proportion equation
6,475,748.64 : 8,936,832.24 = 3,575,551.20 : x - Step 2: Convert to fraction form
6,475,748.64/8,936,832.24 = 3,575,551.20/x - Step 3: Cross multiply
6,475,748.64x = 8,936,832.24 × 3,575,551.20 - Step 4: Simplify right side
6,475,748.64x = 31,954,101,239,930.69 - Step 5: Solve for x
x = 31,954,101,239,930.69/6,475,748.64 - Step 6: Final answer
x = 4,934,425.81
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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.