Finding the Fourth Proportional to 4,991,211.06, 6,887,875.86 and 2,699,371.80
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Solution
The fourth proportional to 4,991,211.06, 6,887,875.86 and 2,699,371.80 is: 3,725,135.57
Step by Step Solution
- Step 1: Write the proportion equation
4,991,211.06 : 6,887,875.86 = 2,699,371.80 : x - Step 2: Convert to fraction form
4,991,211.06/6,887,875.86 = 2,699,371.80/x - Step 3: Cross multiply
4,991,211.06x = 6,887,875.86 × 2,699,371.80 - Step 4: Simplify right side
4,991,211.06x = 18,592,937,858,384.75 - Step 5: Solve for x
x = 18,592,937,858,384.75/4,991,211.06 - Step 6: Final answer
x = 3,725,135.57
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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.