Finding the Fourth Proportional to 3,184,665.48, 4,395,201.40 and 1,895,509.98
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Solution
The fourth proportional to 3,184,665.48, 4,395,201.40 and 1,895,509.98 is: 2,616,019.85
Step by Step Solution
- Step 1: Write the proportion equation
3,184,665.48 : 4,395,201.40 = 1,895,509.98 : x - Step 2: Convert to fraction form
3,184,665.48/4,395,201.40 = 1,895,509.98/x - Step 3: Cross multiply
3,184,665.48x = 4,395,201.40 × 1,895,509.98 - Step 4: Simplify right side
3,184,665.48x = 8,331,148,117,809.97 - Step 5: Solve for x
x = 8,331,148,117,809.97/3,184,665.48 - Step 6: Final answer
x = 2,616,019.85
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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.