Finding the Fourth Proportional to 5,276,743.84, 7,915,686 and 1,681,665.76
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Solution
The fourth proportional to 5,276,743.84, 7,915,686 and 1,681,665.76 is: 2,522,680.37
Step by Step Solution
- Step 1: Write the proportion equation
5,276,743.84 : 7,915,686 = 1,681,665.76 : x - Step 2: Convert to fraction form
5,276,743.84/7,915,686 = 1,681,665.76/x - Step 3: Cross multiply
5,276,743.84x = 7,915,686 × 1,681,665.76 - Step 4: Simplify right side
5,276,743.84x = 13,311,538,113,111.36 - Step 5: Solve for x
x = 13,311,538,113,111.36/5,276,743.84 - Step 6: Final answer
x = 2,522,680.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.