Finding the Fourth Proportional to 7,077,245.81, 10,615,850.82 and 1,959,658.65
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Solution
The fourth proportional to 7,077,245.81, 10,615,850.82 and 1,959,658.65 is: 2,939,483.02
Step by Step Solution
- Step 1: Write the proportion equation
7,077,245.81 : 10,615,850.82 = 1,959,658.65 : x - Step 2: Convert to fraction form
7,077,245.81/10,615,850.82 = 1,959,658.65/x - Step 3: Cross multiply
7,077,245.81x = 10,615,850.82 × 1,959,658.65 - Step 4: Simplify right side
7,077,245.81x = 20,803,443,886,522.59 - Step 5: Solve for x
x = 20,803,443,886,522.59/7,077,245.81 - Step 6: Final answer
x = 2,939,483.02
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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.