Finding the Fourth Proportional to 1,639,393.31, 2,262,260.36 and 904,356.08
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Solution
The fourth proportional to 1,639,393.31, 2,262,260.36 and 904,356.08 is: 1,247,954.89
Step by Step Solution
- Step 1: Write the proportion equation
1,639,393.31 : 2,262,260.36 = 904,356.08 : x - Step 2: Convert to fraction form
1,639,393.31/2,262,260.36 = 904,356.08/x - Step 3: Cross multiply
1,639,393.31x = 2,262,260.36 × 904,356.08 - Step 4: Simplify right side
1,639,393.31x = 2,045,888,900,931.56 - Step 5: Solve for x
x = 2,045,888,900,931.56/1,639,393.31 - Step 6: Final answer
x = 1,247,954.89
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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.