Finding the Fourth Proportional to 3,899,237.86, 5,382,303.15 and 2,679,581.98
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Solution
The fourth proportional to 3,899,237.86, 5,382,303.15 and 2,679,581.98 is: 3,698,754.23
Step by Step Solution
- Step 1: Write the proportion equation
3,899,237.86 : 5,382,303.15 = 2,679,581.98 : x - Step 2: Convert to fraction form
3,899,237.86/5,382,303.15 = 2,679,581.98/x - Step 3: Cross multiply
3,899,237.86x = 5,382,303.15 × 2,679,581.98 - Step 4: Simplify right side
3,899,237.86x = 14,422,322,531,637.24 - Step 5: Solve for x
x = 14,422,322,531,637.24/3,899,237.86 - Step 6: Final answer
x = 3,698,754.23
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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.