Finding the Fourth Proportional to 1,450,687.19, 2,001,327.47 and 905,877.13
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Solution
The fourth proportional to 1,450,687.19, 2,001,327.47 and 905,877.13 is: 1,249,722.75
Step by Step Solution
- Step 1: Write the proportion equation
1,450,687.19 : 2,001,327.47 = 905,877.13 : x - Step 2: Convert to fraction form
1,450,687.19/2,001,327.47 = 905,877.13/x - Step 3: Cross multiply
1,450,687.19x = 2,001,327.47 × 905,877.13 - Step 4: Simplify right side
1,450,687.19x = 1,812,956,784,713.76 - Step 5: Solve for x
x = 1,812,956,784,713.76/1,450,687.19 - Step 6: Final answer
x = 1,249,722.75
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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.