Finding the Fourth Proportional to 6,346,787.60, 8,758,327.74 and 3,446,115.76
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Solution
The fourth proportional to 6,346,787.60, 8,758,327.74 and 3,446,115.76 is: 4,755,509.90
Step by Step Solution
- Step 1: Write the proportion equation
6,346,787.60 : 8,758,327.74 = 3,446,115.76 : x - Step 2: Convert to fraction form
6,346,787.60/8,758,327.74 = 3,446,115.76/x - Step 3: Cross multiply
6,346,787.60x = 8,758,327.74 × 3,446,115.76 - Step 4: Simplify right side
6,346,787.60x = 30,182,211,256,059.18 - Step 5: Solve for x
x = 30,182,211,256,059.18/6,346,787.60 - Step 6: Final answer
x = 4,755,509.90
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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.