Finding the Fourth Proportional to 6,898,209.20, 10,347,313.80 and 3,302,125.10
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Solution
The fourth proportional to 6,898,209.20, 10,347,313.80 and 3,302,125.10 is: 4,953,187.65
Step by Step Solution
- Step 1: Write the proportion equation
6,898,209.20 : 10,347,313.80 = 3,302,125.10 : x - Step 2: Convert to fraction form
6,898,209.20/10,347,313.80 = 3,302,125.10/x - Step 3: Cross multiply
6,898,209.20x = 10,347,313.80 × 3,302,125.10 - Step 4: Simplify right side
6,898,209.20x = 34,168,124,616,556.38 - Step 5: Solve for x
x = 34,168,124,616,556.38/6,898,209.20 - Step 6: Final answer
x = 4,953,187.65
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1.5x scale
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.