Finding the Fourth Proportional to 1,624,921.92, 2,242,364.80 and 899,754.08
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Solution
The fourth proportional to 1,624,921.92, 2,242,364.80 and 899,754.08 is: 1,241,645.43
Step by Step Solution
- Step 1: Write the proportion equation
1,624,921.92 : 2,242,364.80 = 899,754.08 : x - Step 2: Convert to fraction form
1,624,921.92/2,242,364.80 = 899,754.08/x - Step 3: Cross multiply
1,624,921.92x = 2,242,364.80 × 899,754.08 - Step 4: Simplify right side
1,624,921.92x = 2,017,576,877,648.38 - Step 5: Solve for x
x = 2,017,576,877,648.38/1,624,921.92 - Step 6: Final answer
x = 1,241,645.43
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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.