Finding the Fourth Proportional to 2,191,204.90, 3,286,807.35 and 1,855,281.70
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Solution
The fourth proportional to 2,191,204.90, 3,286,807.35 and 1,855,281.70 is: 2,782,922.55
Step by Step Solution
- Step 1: Write the proportion equation
2,191,204.90 : 3,286,807.35 = 1,855,281.70 : x - Step 2: Convert to fraction form
2,191,204.90/3,286,807.35 = 1,855,281.70/x - Step 3: Cross multiply
2,191,204.90x = 3,286,807.35 × 1,855,281.70 - Step 4: Simplify right side
2,191,204.90x = 6,097,953,527,880.50 - Step 5: Solve for x
x = 6,097,953,527,880.50/2,191,204.90 - Step 6: Final answer
x = 2,782,922.55
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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.