Finding the Fourth Proportional to 5,187,646.98, 7,159,584.02 and 3,012,190.07
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Solution
The fourth proportional to 5,187,646.98, 7,159,584.02 and 3,012,190.07 is: 4,157,188.79
Step by Step Solution
- Step 1: Write the proportion equation
5,187,646.98 : 7,159,584.02 = 3,012,190.07 : x - Step 2: Convert to fraction form
5,187,646.98/7,159,584.02 = 3,012,190.07/x - Step 3: Cross multiply
5,187,646.98x = 7,159,584.02 × 3,012,190.07 - Step 4: Simplify right side
5,187,646.98x = 21,566,027,890,374.68 - Step 5: Solve for x
x = 21,566,027,890,374.68/5,187,646.98 - Step 6: Final answer
x = 4,157,188.79
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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.