Finding the Fourth Proportional to 4,206,332.16, 5,804,740.80 and 2,272,592.16
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Solution
The fourth proportional to 4,206,332.16, 5,804,740.80 and 2,272,592.16 is: 3,136,178.49
Step by Step Solution
- Step 1: Write the proportion equation
4,206,332.16 : 5,804,740.80 = 2,272,592.16 : x - Step 2: Convert to fraction form
4,206,332.16/5,804,740.80 = 2,272,592.16/x - Step 3: Cross multiply
4,206,332.16x = 5,804,740.80 × 2,272,592.16 - Step 4: Simplify right side
4,206,332.16x = 13,191,808,432,912.13 - Step 5: Solve for x
x = 13,191,808,432,912.13/4,206,332.16 - Step 6: Final answer
x = 3,136,178.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.