Finding the Fourth Proportional to 4,742,954.73, 7,114,448.88 and 1,148,724.09
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Solution
The fourth proportional to 4,742,954.73, 7,114,448.88 and 1,148,724.09 is: 1,723,090.20
Step by Step Solution
- Step 1: Write the proportion equation
4,742,954.73 : 7,114,448.88 = 1,148,724.09 : x - Step 2: Convert to fraction form
4,742,954.73/7,114,448.88 = 1,148,724.09/x - Step 3: Cross multiply
4,742,954.73x = 7,114,448.88 × 1,148,724.09 - Step 4: Simplify right side
4,742,954.73x = 8,172,538,815,529.52 - Step 5: Solve for x
x = 8,172,538,815,529.52/4,742,954.73 - Step 6: Final answer
x = 1,723,090.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.