Finding the Fourth Proportional to 2,515,055.84, 3,470,777.60 and 1,369,135.88
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Solution
The fourth proportional to 2,515,055.84, 3,470,777.60 and 1,369,135.88 is: 1,889,407.81
Step by Step Solution
- Step 1: Write the proportion equation
2,515,055.84 : 3,470,777.60 = 1,369,135.88 : x - Step 2: Convert to fraction form
2,515,055.84/3,470,777.60 = 1,369,135.88/x - Step 3: Cross multiply
2,515,055.84x = 3,470,777.60 × 1,369,135.88 - Step 4: Simplify right side
2,515,055.84x = 4,751,966,143,660.29 - Step 5: Solve for x
x = 4,751,966,143,660.29/2,515,055.84 - Step 6: Final answer
x = 1,889,407.81
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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.