Finding the Fourth Proportional to 5,347,005.60, 8,020,489.20 and 1,303,447.20
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Solution
The fourth proportional to 5,347,005.60, 8,020,489.20 and 1,303,447.20 is: 1,955,166.12
Step by Step Solution
- Step 1: Write the proportion equation
5,347,005.60 : 8,020,489.20 = 1,303,447.20 : x - Step 2: Convert to fraction form
5,347,005.60/8,020,489.20 = 1,303,447.20/x - Step 3: Cross multiply
5,347,005.60x = 8,020,489.20 × 1,303,447.20 - Step 4: Simplify right side
5,347,005.60x = 10,454,284,190,370.24 - Step 5: Solve for x
x = 10,454,284,190,370.24/5,347,005.60 - Step 6: Final answer
x = 1,955,166.12
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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.