Finding the Fourth Proportional to 1,624,128.32, 2,241,239.68 and 898,977.44
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Solution
The fourth proportional to 1,624,128.32, 2,241,239.68 and 898,977.44 is: 1,240,557.09
Step by Step Solution
- Step 1: Write the proportion equation
1,624,128.32 : 2,241,239.68 = 898,977.44 : x - Step 2: Convert to fraction form
1,624,128.32/2,241,239.68 = 898,977.44/x - Step 3: Cross multiply
1,624,128.32x = 2,241,239.68 × 898,977.44 - Step 4: Simplify right side
1,624,128.32x = 2,014,823,909,952.82 - Step 5: Solve for x
x = 2,014,823,909,952.82/1,624,128.32 - Step 6: Final answer
x = 1,240,557.09
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1.5x scale
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.