Finding the Fourth Proportional to 4,490,343.98, 6,739,774.26 and 2,779,311.57
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Solution
The fourth proportional to 4,490,343.98, 6,739,774.26 and 2,779,311.57 is: 4,171,603.04
Step by Step Solution
- Step 1: Write the proportion equation
4,490,343.98 : 6,739,774.26 = 2,779,311.57 : x - Step 2: Convert to fraction form
4,490,343.98/6,739,774.26 = 2,779,311.57/x - Step 3: Cross multiply
4,490,343.98x = 6,739,774.26 × 2,779,311.57 - Step 4: Simplify right side
4,490,343.98x = 18,731,932,580,006.19 - Step 5: Solve for x
x = 18,731,932,580,006.19/4,490,343.98 - Step 6: Final answer
x = 4,171,603.04
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1.5x scale
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.