Finding the Fourth Proportional to 7,644,681.26, 10,549,523.68 and 4,159,901.18
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Solution
The fourth proportional to 7,644,681.26, 10,549,523.68 and 4,159,901.18 is: 5,740,589.37
Step by Step Solution
- Step 1: Write the proportion equation
7,644,681.26 : 10,549,523.68 = 4,159,901.18 : x - Step 2: Convert to fraction form
7,644,681.26/10,549,523.68 = 4,159,901.18/x - Step 3: Cross multiply
7,644,681.26x = 10,549,523.68 × 4,159,901.18 - Step 4: Simplify right side
7,644,681.26x = 43,884,976,004,869.95 - Step 5: Solve for x
x = 43,884,976,004,869.95/7,644,681.26 - Step 6: Final answer
x = 5,740,589.37
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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.