Finding the Fourth Proportional to 5,458,159.60, 8,187,239.40 and 3,438,683.80
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Solution
The fourth proportional to 5,458,159.60, 8,187,239.40 and 3,438,683.80 is: 5,158,025.70
Step by Step Solution
- Step 1: Write the proportion equation
5,458,159.60 : 8,187,239.40 = 3,438,683.80 : x - Step 2: Convert to fraction form
5,458,159.60/8,187,239.40 = 3,438,683.80/x - Step 3: Cross multiply
5,458,159.60x = 8,187,239.40 × 3,438,683.80 - Step 4: Simplify right side
5,458,159.60x = 28,153,327,491,501.72 - Step 5: Solve for x
x = 28,153,327,491,501.72/5,458,159.60 - Step 6: Final answer
x = 5,158,025.70
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1.5x scale
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.