Finding the Fourth Proportional to 1,462,991.74, 2,019,244.53 and 890,216.26
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Solution
The fourth proportional to 1,462,991.74, 2,019,244.53 and 890,216.26 is: 1,228,690.68
Step by Step Solution
- Step 1: Write the proportion equation
1,462,991.74 : 2,019,244.53 = 890,216.26 : x - Step 2: Convert to fraction form
1,462,991.74/2,019,244.53 = 890,216.26/x - Step 3: Cross multiply
1,462,991.74x = 2,019,244.53 × 890,216.26 - Step 4: Simplify right side
1,462,991.74x = 1,797,564,313,522.06 - Step 5: Solve for x
x = 1,797,564,313,522.06/1,462,991.74 - Step 6: Final answer
x = 1,228,690.68
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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.