Finding the Fourth Proportional to 5,143,652.80, 7,713,904.02 and 3,556,415.68
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Solution
The fourth proportional to 5,143,652.80, 7,713,904.02 and 3,556,415.68 is: 5,333,534.41
Step by Step Solution
- Step 1: Write the proportion equation
5,143,652.80 : 7,713,904.02 = 3,556,415.68 : x - Step 2: Convert to fraction form
5,143,652.80/7,713,904.02 = 3,556,415.68/x - Step 3: Cross multiply
5,143,652.80x = 7,713,904.02 × 3,556,415.68 - Step 4: Simplify right side
5,143,652.80x = 27,433,849,210,743.04 - Step 5: Solve for x
x = 27,433,849,210,743.04/5,143,652.80 - Step 6: Final answer
x = 5,333,534.41
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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.