Finding the Fourth Proportional to 2,199,800.70, 3,299,701.05 and 1,919,864.70
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Solution
The fourth proportional to 2,199,800.70, 3,299,701.05 and 1,919,864.70 is: 2,879,797.05
Step by Step Solution
- Step 1: Write the proportion equation
2,199,800.70 : 3,299,701.05 = 1,919,864.70 : x - Step 2: Convert to fraction form
2,199,800.70/3,299,701.05 = 1,919,864.70/x - Step 3: Cross multiply
2,199,800.70x = 3,299,701.05 × 1,919,864.70 - Step 4: Simplify right side
2,199,800.70x = 6,334,979,566,447.94 - Step 5: Solve for x
x = 6,334,979,566,447.94/2,199,800.70 - Step 6: Final answer
x = 2,879,797.05
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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.