Finding the Fourth Proportional to 2,642,513.58, 3,963,852.60 and 1,257,343.92
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Solution
The fourth proportional to 2,642,513.58, 3,963,852.60 and 1,257,343.92 is: 1,886,055.01
Step by Step Solution
- Step 1: Write the proportion equation
2,642,513.58 : 3,963,852.60 = 1,257,343.92 : x - Step 2: Convert to fraction form
2,642,513.58/3,963,852.60 = 1,257,343.92/x - Step 3: Cross multiply
2,642,513.58x = 3,963,852.60 × 1,257,343.92 - Step 4: Simplify right side
2,642,513.58x = 4,983,925,966,386.19 - Step 5: Solve for x
x = 4,983,925,966,386.19/2,642,513.58 - Step 6: Final answer
x = 1,886,055.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.