Finding the Fourth Proportional to 1,457,439.62, 2,011,269.35 and 812,901.35
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Solution
The fourth proportional to 1,457,439.62, 2,011,269.35 and 812,901.35 is: 1,121,805.36
Step by Step Solution
- Step 1: Write the proportion equation
1,457,439.62 : 2,011,269.35 = 812,901.35 : x - Step 2: Convert to fraction form
1,457,439.62/2,011,269.35 = 812,901.35/x - Step 3: Cross multiply
1,457,439.62x = 2,011,269.35 × 812,901.35 - Step 4: Simplify right side
1,457,439.62x = 1,634,963,576,889.05 - Step 5: Solve for x
x = 1,634,963,576,889.05/1,457,439.62 - Step 6: Final answer
x = 1,121,805.36
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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.