Finding the Fourth Proportional to 2,250,957.76, 3,106,617.56 and 1,283,866.36
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Solution
The fourth proportional to 2,250,957.76, 3,106,617.56 and 1,283,866.36 is: 1,771,904.32
Step by Step Solution
- Step 1: Write the proportion equation
2,250,957.76 : 3,106,617.56 = 1,283,866.36 : x - Step 2: Convert to fraction form
2,250,957.76/3,106,617.56 = 1,283,866.36/x - Step 3: Cross multiply
2,250,957.76x = 3,106,617.56 × 1,283,866.36 - Step 4: Simplify right side
2,250,957.76x = 3,988,481,778,669.28 - Step 5: Solve for x
x = 3,988,481,778,669.28/2,250,957.76 - Step 6: Final answer
x = 1,771,904.32
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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.