Finding the Fourth Proportional to 1,507,937.94, 2,261,905.47 and 386,005.14
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Solution
The fourth proportional to 1,507,937.94, 2,261,905.47 and 386,005.14 is: 579,007.34
Step by Step Solution
- Step 1: Write the proportion equation
1,507,937.94 : 2,261,905.47 = 386,005.14 : x - Step 2: Convert to fraction form
1,507,937.94/2,261,905.47 = 386,005.14/x - Step 3: Cross multiply
1,507,937.94x = 2,261,905.47 × 386,005.14 - Step 4: Simplify right side
1,507,937.94x = 873,107,137,614.12 - Step 5: Solve for x
x = 873,107,137,614.12/1,507,937.94 - Step 6: Final answer
x = 579,007.34
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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.