Finding the Fourth Proportional to 6,174,668.47, 8,521,034.05 and 3,421,534.13
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Solution
The fourth proportional to 6,174,668.47, 8,521,034.05 and 3,421,534.13 is: 4,721,712.42
Step by Step Solution
- Step 1: Write the proportion equation
6,174,668.47 : 8,521,034.05 = 3,421,534.13 : x - Step 2: Convert to fraction form
6,174,668.47/8,521,034.05 = 3,421,534.13/x - Step 3: Cross multiply
6,174,668.47x = 8,521,034.05 × 3,421,534.13 - Step 4: Simplify right side
6,174,668.47x = 29,155,008,824,967.13 - Step 5: Solve for x
x = 29,155,008,824,967.13/6,174,668.47 - Step 6: Final answer
x = 4,721,712.42
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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.