Finding the Fourth Proportional to 1,508,436.19, 2,081,518.63 and 888,143.23
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Solution
The fourth proportional to 1,508,436.19, 2,081,518.63 and 888,143.23 is: 1,225,565.05
Step by Step Solution
- Step 1: Write the proportion equation
1,508,436.19 : 2,081,518.63 = 888,143.23 : x - Step 2: Convert to fraction form
1,508,436.19/2,081,518.63 = 888,143.23/x - Step 3: Cross multiply
1,508,436.19x = 2,081,518.63 × 888,143.23 - Step 4: Simplify right side
1,508,436.19x = 1,848,686,679,353.37 - Step 5: Solve for x
x = 1,848,686,679,353.37/1,508,436.19 - Step 6: Final answer
x = 1,225,565.05
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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.