Finding the Fourth Proportional to 5,588,018.94, 7,712,105.54 and 3,107,487.09
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Solution
The fourth proportional to 5,588,018.94, 7,712,105.54 and 3,107,487.09 is: 4,288,687.75
Step by Step Solution
- Step 1: Write the proportion equation
5,588,018.94 : 7,712,105.54 = 3,107,487.09 : x - Step 2: Convert to fraction form
5,588,018.94/7,712,105.54 = 3,107,487.09/x - Step 3: Cross multiply
5,588,018.94x = 7,712,105.54 × 3,107,487.09 - Step 4: Simplify right side
5,588,018.94x = 23,965,268,402,267.48 - Step 5: Solve for x
x = 23,965,268,402,267.48/5,588,018.94 - Step 6: Final answer
x = 4,288,687.75
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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.