Finding the Fourth Proportional to 4,220,980.71, 5,824,309.14 and 2,384,769.02
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Solution
The fourth proportional to 4,220,980.71, 5,824,309.14 and 2,384,769.02 is: 3,290,617.26
Step by Step Solution
- Step 1: Write the proportion equation
4,220,980.71 : 5,824,309.14 = 2,384,769.02 : x - Step 2: Convert to fraction form
4,220,980.71/5,824,309.14 = 2,384,769.02/x - Step 3: Cross multiply
4,220,980.71x = 5,824,309.14 × 2,384,769.02 - Step 4: Simplify right side
4,220,980.71x = 13,889,631,999,370.30 - Step 5: Solve for x
x = 13,889,631,999,370.30/4,220,980.71 - Step 6: Final answer
x = 3,290,617.26
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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.