Finding the Fourth Proportional to 6,468,266.60, 9,698,900.70 and 2,682,132.20
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Solution
The fourth proportional to 6,468,266.60, 9,698,900.70 and 2,682,132.20 is: 4,021,747.32
Step by Step Solution
- Step 1: Write the proportion equation
6,468,266.60 : 9,698,900.70 = 2,682,132.20 : x - Step 2: Convert to fraction form
6,468,266.60/9,698,900.70 = 2,682,132.20/x - Step 3: Cross multiply
6,468,266.60x = 9,698,900.70 × 2,682,132.20 - Step 4: Simplify right side
6,468,266.60x = 26,013,733,872,072.54 - Step 5: Solve for x
x = 26,013,733,872,072.54/6,468,266.60 - Step 6: Final answer
x = 4,021,747.32
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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.