Finding the Fourth Proportional to 4,378,830.30, 6,042,783.60 and 2,445,089.76
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Solution
The fourth proportional to 4,378,830.30, 6,042,783.60 and 2,445,089.76 is: 3,374,222.63
Step by Step Solution
- Step 1: Write the proportion equation
4,378,830.30 : 6,042,783.60 = 2,445,089.76 : x - Step 2: Convert to fraction form
4,378,830.30/6,042,783.60 = 2,445,089.76/x - Step 3: Cross multiply
4,378,830.30x = 6,042,783.60 × 2,445,089.76 - Step 4: Simplify right side
4,378,830.30x = 14,775,148,302,255.93 - Step 5: Solve for x
x = 14,775,148,302,255.93/4,378,830.30 - Step 6: Final answer
x = 3,374,222.63
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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.