Finding the Fourth Proportional to 1,615,283.94, 2,229,106.47 and 890,157.63
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Solution
The fourth proportional to 1,615,283.94, 2,229,106.47 and 890,157.63 is: 1,228,425.59
Step by Step Solution
- Step 1: Write the proportion equation
1,615,283.94 : 2,229,106.47 = 890,157.63 : x - Step 2: Convert to fraction form
1,615,283.94/2,229,106.47 = 890,157.63/x - Step 3: Cross multiply
1,615,283.94x = 2,229,106.47 × 890,157.63 - Step 4: Simplify right side
1,615,283.94x = 1,984,256,132,352.87 - Step 5: Solve for x
x = 1,984,256,132,352.87/1,615,283.94 - Step 6: Final answer
x = 1,228,425.59
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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.