Finding the Fourth Proportional to 2,445,349.60, 3,670,789.20 and 1,448,639.20
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Solution
The fourth proportional to 2,445,349.60, 3,670,789.20 and 1,448,639.20 is: 2,174,596.68
Step by Step Solution
- Step 1: Write the proportion equation
2,445,349.60 : 3,670,789.20 = 1,448,639.20 : x - Step 2: Convert to fraction form
2,445,349.60/3,670,789.20 = 1,448,639.20/x - Step 3: Cross multiply
2,445,349.60x = 3,670,789.20 × 1,448,639.20 - Step 4: Simplify right side
2,445,349.60x = 5,317,649,130,056.64 - Step 5: Solve for x
x = 5,317,649,130,056.64/2,445,349.60 - Step 6: Final answer
x = 2,174,596.68
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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.