Finding the Fourth Proportional to 2,182,408.16, 3,011,192.09 and 1,437,257.10
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Solution
The fourth proportional to 2,182,408.16, 3,011,192.09 and 1,437,257.10 is: 1,983,064.98
Step by Step Solution
- Step 1: Write the proportion equation
2,182,408.16 : 3,011,192.09 = 1,437,257.10 : x - Step 2: Convert to fraction form
2,182,408.16/3,011,192.09 = 1,437,257.10/x - Step 3: Cross multiply
2,182,408.16x = 3,011,192.09 × 1,437,257.10 - Step 4: Simplify right side
2,182,408.16x = 4,327,857,203,630.05 - Step 5: Solve for x
x = 4,327,857,203,630.05/2,182,408.16 - Step 6: Final answer
x = 1,983,064.98
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1.5x scale
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.