Finding the Fourth Proportional to 1,615,278.36, 2,229,098.88 and 890,152.08
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Solution
The fourth proportional to 1,615,278.36, 2,229,098.88 and 890,152.08 is: 1,228,418.00
Step by Step Solution
- Step 1: Write the proportion equation
1,615,278.36 : 2,229,098.88 = 890,152.08 : x - Step 2: Convert to fraction form
1,615,278.36/2,229,098.88 = 890,152.08/x - Step 3: Cross multiply
1,615,278.36x = 2,229,098.88 × 890,152.08 - Step 4: Simplify right side
1,615,278.36x = 1,984,237,004,557.67 - Step 5: Solve for x
x = 1,984,237,004,557.67/1,615,278.36 - Step 6: Final answer
x = 1,228,418.00
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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.