Finding the Fourth Proportional to 1,999,267.70, 2,756,119.79 and 1,425,311.42
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Solution
The fourth proportional to 1,999,267.70, 2,756,119.79 and 1,425,311.42 is: 1,964,883.94
Step by Step Solution
- Step 1: Write the proportion equation
1,999,267.70 : 2,756,119.79 = 1,425,311.42 : x - Step 2: Convert to fraction form
1,999,267.70/2,756,119.79 = 1,425,311.42/x - Step 3: Cross multiply
1,999,267.70x = 2,756,119.79 × 1,425,311.42 - Step 4: Simplify right side
1,999,267.70x = 3,928,328,990,667.85 - Step 5: Solve for x
x = 3,928,328,990,667.85/1,999,267.70 - Step 6: Final answer
x = 1,964,883.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.