Finding the Fourth Proportional to 2,309,987.66, 3,187,804.14 and 1,277,442.08
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Solution
The fourth proportional to 2,309,987.66, 3,187,804.14 and 1,277,442.08 is: 1,762,881.78
Step by Step Solution
- Step 1: Write the proportion equation
2,309,987.66 : 3,187,804.14 = 1,277,442.08 : x - Step 2: Convert to fraction form
2,309,987.66/3,187,804.14 = 1,277,442.08/x - Step 3: Cross multiply
2,309,987.66x = 3,187,804.14 × 1,277,442.08 - Step 4: Simplify right side
2,309,987.66x = 4,072,235,147,249.46 - Step 5: Solve for x
x = 4,072,235,147,249.46/2,309,987.66 - Step 6: Final answer
x = 1,762,881.78
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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.