Finding the Fourth Proportional to 2,236,005.35, 3,087,605.28 and 2,163,700.31
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Solution
The fourth proportional to 2,236,005.35, 3,087,605.28 and 2,163,700.31 is: 2,987,762.31
Step by Step Solution
- Step 1: Write the proportion equation
2,236,005.35 : 3,087,605.28 = 2,163,700.31 : x - Step 2: Convert to fraction form
2,236,005.35/3,087,605.28 = 2,163,700.31/x - Step 3: Cross multiply
2,236,005.35x = 3,087,605.28 × 2,163,700.31 - Step 4: Simplify right side
2,236,005.35x = 6,680,652,501,493.64 - Step 5: Solve for x
x = 6,680,652,501,493.64/2,236,005.35 - Step 6: Final answer
x = 2,987,762.31
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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.