Finding the Fourth Proportional to 5,430,574.80, 8,134,052.40 and 3,296,937.60
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Solution
The fourth proportional to 5,430,574.80, 8,134,052.40 and 3,296,937.60 is: 4,938,236.59
Step by Step Solution
- Step 1: Write the proportion equation
5,430,574.80 : 8,134,052.40 = 3,296,937.60 : x - Step 2: Convert to fraction form
5,430,574.80/8,134,052.40 = 3,296,937.60/x - Step 3: Cross multiply
5,430,574.80x = 8,134,052.40 × 3,296,937.60 - Step 4: Simplify right side
5,430,574.80x = 26,817,463,197,930.24 - Step 5: Solve for x
x = 26,817,463,197,930.24/5,430,574.80 - Step 6: Final answer
x = 4,938,236.59
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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.