Finding the Fourth Proportional to 2,303,028.36, 3,178,334.88 and 1,336,159.08
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Solution
The fourth proportional to 2,303,028.36, 3,178,334.88 and 1,336,159.08 is: 1,843,989.89
Step by Step Solution
- Step 1: Write the proportion equation
2,303,028.36 : 3,178,334.88 = 1,336,159.08 : x - Step 2: Convert to fraction form
2,303,028.36/3,178,334.88 = 1,336,159.08/x - Step 3: Cross multiply
2,303,028.36x = 3,178,334.88 × 1,336,159.08 - Step 4: Simplify right side
2,303,028.36x = 4,246,761,009,192.71 - Step 5: Solve for x
x = 4,246,761,009,192.71/2,303,028.36 - Step 6: Final answer
x = 1,843,989.89
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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.