Finding the Fourth Proportional to 1,624,296.42, 2,241,501.84 and 899,128.62
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Solution
The fourth proportional to 1,624,296.42, 2,241,501.84 and 899,128.62 is: 1,240,782.43
Step by Step Solution
- Step 1: Write the proportion equation
1,624,296.42 : 2,241,501.84 = 899,128.62 : x - Step 2: Convert to fraction form
1,624,296.42/2,241,501.84 = 899,128.62/x - Step 3: Cross multiply
1,624,296.42x = 2,241,501.84 × 899,128.62 - Step 4: Simplify right side
1,624,296.42x = 2,015,398,456,126.66 - Step 5: Solve for x
x = 2,015,398,456,126.66/1,624,296.42 - Step 6: Final answer
x = 1,240,782.43
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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.