Finding the Fourth Proportional to 1,630,664.25, 2,250,241.20 and 905,558.28
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Solution
The fourth proportional to 1,630,664.25, 2,250,241.20 and 905,558.28 is: 1,249,628.52
Step by Step Solution
- Step 1: Write the proportion equation
1,630,664.25 : 2,250,241.20 = 905,558.28 : x - Step 2: Convert to fraction form
1,630,664.25/2,250,241.20 = 905,558.28/x - Step 3: Cross multiply
1,630,664.25x = 2,250,241.20 × 905,558.28 - Step 4: Simplify right side
1,630,664.25x = 2,037,724,550,657.14 - Step 5: Solve for x
x = 2,037,724,550,657.14/1,630,664.25 - Step 6: Final answer
x = 1,249,628.52
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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.