Finding the Fourth Proportional to 2,963,930.13, 4,090,222.78 and 1,605,803.13
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Solution
The fourth proportional to 2,963,930.13, 4,090,222.78 and 1,605,803.13 is: 2,216,007.88
Step by Step Solution
- Step 1: Write the proportion equation
2,963,930.13 : 4,090,222.78 = 1,605,803.13 : x - Step 2: Convert to fraction form
2,963,930.13/4,090,222.78 = 1,605,803.13/x - Step 3: Cross multiply
2,963,930.13x = 4,090,222.78 × 1,605,803.13 - Step 4: Simplify right side
2,963,930.13x = 6,568,092,538,506.79 - Step 5: Solve for x
x = 6,568,092,538,506.79/2,963,930.13 - Step 6: Final answer
x = 2,216,007.88
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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.