Finding the Fourth Proportional to 1,457,751.48, 2,011,789.62 and 813,170.36
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Solution
The fourth proportional to 1,457,751.48, 2,011,789.62 and 813,170.36 is: 1,122,226.73
Step by Step Solution
- Step 1: Write the proportion equation
1,457,751.48 : 2,011,789.62 = 813,170.36 : x - Step 2: Convert to fraction form
1,457,751.48/2,011,789.62 = 813,170.36/x - Step 3: Cross multiply
1,457,751.48x = 2,011,789.62 × 813,170.36 - Step 4: Simplify right side
1,457,751.48x = 1,635,927,679,480.72 - Step 5: Solve for x
x = 1,635,927,679,480.72/1,457,751.48 - Step 6: Final answer
x = 1,122,226.73
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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.