Finding the Fourth Proportional to 4,209,862.71, 5,809,605.63 and 2,276,118.68
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Solution
The fourth proportional to 4,209,862.71, 5,809,605.63 and 2,276,118.68 is: 3,141,041.12
Step by Step Solution
- Step 1: Write the proportion equation
4,209,862.71 : 5,809,605.63 = 2,276,118.68 : x - Step 2: Convert to fraction form
4,209,862.71/5,809,605.63 = 2,276,118.68/x - Step 3: Cross multiply
4,209,862.71x = 5,809,605.63 × 2,276,118.68 - Step 4: Simplify right side
4,209,862.71x = 13,223,351,892,971.73 - Step 5: Solve for x
x = 13,223,351,892,971.73/4,209,862.71 - Step 6: Final answer
x = 3,141,041.12
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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.