Finding the Fourth Proportional to 2,690,890.44, 4,031,768.04 and 1,623,690.06
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Solution
The fourth proportional to 2,690,890.44, 4,031,768.04 and 1,623,690.06 is: 2,432,778.98
Step by Step Solution
- Step 1: Write the proportion equation
2,690,890.44 : 4,031,768.04 = 1,623,690.06 : x - Step 2: Convert to fraction form
2,690,890.44/4,031,768.04 = 1,623,690.06/x - Step 3: Cross multiply
2,690,890.44x = 4,031,768.04 × 1,623,690.06 - Step 4: Simplify right side
2,690,890.44x = 6,546,341,690,773.68 - Step 5: Solve for x
x = 6,546,341,690,773.68/2,690,890.44 - Step 6: Final answer
x = 2,432,778.98
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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.