Finding the Fourth Proportional to 1,457,969.36, 2,011,958.73 and 813,372.98
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Solution
The fourth proportional to 1,457,969.36, 2,011,958.73 and 813,372.98 is: 1,122,432.96
Step by Step Solution
- Step 1: Write the proportion equation
1,457,969.36 : 2,011,958.73 = 813,372.98 : x - Step 2: Convert to fraction form
1,457,969.36/2,011,958.73 = 813,372.98/x - Step 3: Cross multiply
1,457,969.36x = 2,011,958.73 × 813,372.98 - Step 4: Simplify right side
1,457,969.36x = 1,636,472,857,797.32 - Step 5: Solve for x
x = 1,636,472,857,797.32/1,457,969.36 - Step 6: Final answer
x = 1,122,432.96
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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.