Finding the Fourth Proportional to 7,133,651.64, 10,700,641.74 and 1,742,346.84
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Solution
The fourth proportional to 7,133,651.64, 10,700,641.74 and 1,742,346.84 is: 2,613,560.38
Step by Step Solution
- Step 1: Write the proportion equation
7,133,651.64 : 10,700,641.74 = 1,742,346.84 : x - Step 2: Convert to fraction form
7,133,651.64/10,700,641.74 = 1,742,346.84/x - Step 3: Cross multiply
7,133,651.64x = 10,700,641.74 × 1,742,346.84 - Step 4: Simplify right side
7,133,651.64x = 18,644,229,321,661.10 - Step 5: Solve for x
x = 18,644,229,321,661.10/7,133,651.64 - Step 6: Final answer
x = 2,613,560.38
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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.